Tag Archives: ACID

High-iron sulfuric acid sludge cement

Application Number: 00107675Application Date: 2000.05.23Publication Number: 1324778Publication Date: 2001.12.05Priority Information: International: C04B7/24;C04B24/00Applicant(s) Name: Youhe Panbao Science & Technology Development Co., Ltd., BeijingAddress: Inventor(s) Name: Wu YanxiongPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a sulfate superferric cement made up by utilizing the offscum produced in the production of sulfuric acid, and its… Read More »

Method of using ribonucleic acid as product antifake mark and for verification

Application Number: 00107580Application Date: 2000.05.18Publication Number: 1324955Publication Date: 2001.12.05Priority Information: International: C12Q1/68Applicant(s) Name: Bowei Biological Science &. Technology Co., Ltd.Address: Inventor(s) Name: Xu Junjie;Chen Lingling;Chen SuqiuPatent Agency Code: 11021Patent Agent: tang baobengAbstract The present invention discloses a method using ribonucleic acid as product anti-false mark and its proof technique. and is characterized by that when… Read More »

Luminous composite of amphipathic ionic dendritic polyether-linear polyacrylic acid block copolymer and RE metal ion and its preparation

Application Number: 00107567Application Date: 2000.05.19Publication Number: 1270972Publication Date: 2000.10.25Priority Information: International: C08K3/10;C08L53/00;C09K11/06Applicant(s) Name: Inst. of Photochemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhu Linyong;Wang Erjian;Li MiaozhenPatent Agency Code: 31002Patent Agent: li baiAbstract The present invention relates to a luminous rare earth metal material comprising ionic dendritic polyether-linear polyacrylic acid amphilic block copolymer and rare earth… Read More »

Amphipathic block copolymer of ionic dendritic polyether and linear polyacrylic acid and its synthesis process and use

Application Number: 00107566Application Date: 2000.05.19Publication Number: 1270965Publication Date: 2000.10.25Priority Information: International: C08F8/00;C08F293/00Applicant(s) Name: Inst. of Photochemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhu Linyong;Wang Erjian;Li MiaozhenPatent Agency Code: 31002Patent Agent: li baiAbstract The present invention relates to the field of amphilic block copolymer, which is prepared through the first synthesis of copolymer of polyether dendrite… Read More »

Thermosetting amide acid particle, thermosetting imide particle and cross-link imide particle and prepn. method therefor

Application Number: 00107511Application Date: 2000.05.11Publication Number: 1323847Publication Date: 2001.11.28Priority Information: International: C08G69/28;C08J3/12Applicant(s) Name: Osaka Atsushi Sumitomo Bakelite Co., Ltd.Address: Inventor(s) Name: Asao Katsuya;Saito HidekiPatent Agency Code: 11219Patent Agent: ding yebengAbstract The present invention relates to thermosetting amido acid microparticle, thermosetting acylimine microparticle and crosslinking acrylimine microparticle with controllable particle shape and distribution of particle size… Read More »

Preparation method of nanometer phase calcium-phosphorus salt/collagen/polylactic acid bone composite material

Application Number: 00107493Application Date: 2000.05.19Publication Number: 1272383Publication Date: 2000.11.08Priority Information: International: A61L27/56Applicant(s) Name: Qinghai Univ.Address: Inventor(s) Name: Cui Fuzhai;Cai Qiang;Zhang ShumingPatent Agency Code: 11201Patent Agent: luo wenqunAbstract The present invention relates to a preparation method of nanometer phase calcium-phosphorus salt/collagen/polylactic acid bone composite porous material, including the following steps: drip-adding H3PO4 into collagen solution, making… Read More »

Sulfonic acid-containing organic phosphine carboxylic acid compound and its prepn. and application

Application Number: 00107482Application Date: 2000.05.19Publication Number: 1324797Publication Date: 2001.12.05Priority Information: International: C02F5/14;C07F9/53Applicant(s) Name: China Petrochemical Group Corp.Address: Inventor(s) Name: Li Bengao;Wang ZhenyuPatent Agency Code: 72001Patent Agent: xu shuAbstract The present invention relates to an organophosphine carboxlic acid compound containing sulfonic acid. This invention provides its structure formula, and the said compound can be used as… Read More »

Method for producing compound amino acid powder from hair

Application Number: 00107167Application Date: 2000.04.29Publication Number: 1321635Publication Date: 2001.11.14Priority Information: International: C07C227/28Applicant(s) Name: Tumenjiang Research Inst. of Fine Chemicals, HuichunAddress: Inventor(s) Name: Zhang QungangPatent Agency Code: 00000Patent Agent: Abstract The present invention makes the hair undergo the process of hydrolysis with edible-level hydrochloric acid, neutralization, decoloring, concentration, desalination, dilution, passing through ion exchange column and… Read More »

Method for preparing L-ascorbic acid

Application Number: 00107089Application Date: 2000.04.28Publication Number: 1273246Publication Date: 2000.11.15Priority Information: 1999/4/28 DE 19919203.0International: C07D307/62Applicant(s) Name: BASF AG.Address: Inventor(s) Name: A.Bettchel;H. Guhlsickie;T. KuntsePatent Agency Code: 72001Patent Agent: wang jingchaoAbstract The invention relates to a process for the preparation of L-ascorbic acid, which comprises lactonizing a melt of alkyl 2-keto-L-gulonate under acidic conditions.

Producing method of methyl acrylic acid

Application Number: 00106988Application Date: 2000.04.26Publication Number: 1273232Publication Date: 2000.11.15Priority Information: 1999/4/27 JP 119170/99; 1999/5/6 JP 126034/99International: C07C51/235;C07C57/04;C07C57/055Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Onodera Hideo;Kimura Naomasa;Shiraishi EiichiPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract A process for vapor phase catalytic oxidation of methacrolein to produce methacrylic acid at high yield and with stability over a… Read More »

(Poly) thia acetylenic acid and it derivative, composite containing them and its application

Application Number: 00106818Application Date: 2000.04.14Publication Number: 1273239Publication Date: 2000.11.15Priority Information: 1999/4/15 FR 99/04745International: A61K7/42;A61K7/48;A61K31/095;A61K31/19;A61K31/21;A61P17/00;A61P17/06;C07C323/11;C07C323/24;C07C323/51;C07C323/64;C07D257/04;C07D263/10Applicant(s) Name: L'OrealAddress: Inventor(s) Name: J. Maigenan;S. Gnade;S. MicherPatent Agency Code: 72001Patent Agent: guan lixinAbstract This invention related to compound formula (I): R1-Y-CH2-C=C-CH2-SCH2-R2, and these ues in medicament or cosmetic compound.

Feed additive containing D-pantothenic acid and its salt and its producing process

Application Number: 00106198Application Date: 2000.05.08Publication Number: 1276981Publication Date: 2000.12.20Priority Information: 2000/3/31 DE 10016321.1; 1999/5/5 DE 19920507.8International: A23K1/16Applicant(s) Name: Degussa-Jures AGAddress: Inventor(s) Name: Michaer. Binder;Claus-Erichi Urffman;Ihlowna. WalgerPatent Agency Code: 72002Patent Agent: lin xiaogongAbstract The invention provides a feedstuff additive based on a fermentation broth which is obtained by the fermentation of D-pantothenic acid producing microorganisms and… Read More »

Preparation of fruit acetic acid beverage

Application Number: 00106080Application Date: 2000.04.20Publication Number: 1318325Publication Date: 2001.10.24Priority Information: International: A23L2/38Applicant(s) Name: Dalian Jinsiman Medicinal Science &. Technology Development Co., Ltd.Address: Inventor(s) Name: Sun Youhai;Hu Xiaojin;E WenjiePatent Agency Code: 11227Patent Agent: cao zhengfengAbstract The present invention is the secondary fermentation process of making fruit acetic acid beverage. The process includes alcohol extraction or fermentation… Read More »

Process for preparing high-purity alpha-linolenic acid

Application Number: 00106024Application Date: 2000.04.13Publication Number: 1317477Publication Date: 2001.10.17Priority Information: International: C07C27/02;C07C51/09;C07C57/12;C11C1/02Applicant(s) Name: Hu DefuAddress: Inventor(s) Name: Hu Defu;Wang Wenji;Yuan HuningPatent Agency Code: 11230Patent Agent: zhang ejunAbstract A process for preparing high-purity alpha-linolenic acid incldues dissolving flax oil and perilla seed oil in aqueous solution of alcohol, saponifying reaction to obtain mixed fatty acids, inclusion… Read More »

Organic matter recovering and halogen acid refining process of industrial acid effluent

Application Number: 00105671Application Date: 2000.05.18Publication Number: 1324785Publication Date: 2001.12.05Priority Information: International: C01B7/00;C02F1/58;C07B63/00;C07C29/80;C07C45/90;C07C67/54;C07D307/08Applicant(s) Name: Qinghua Ziguang Yingli Chemical Techn Co., Ltd., BeijingAddress: Inventor(s) Name: Chen Zhihong;Yin Yingwu;He JianpeiPatent Agency Code: 00000Patent Agent: Abstract The present invention provides a method for recovering organic material and halogen acid from acid waste water containing hydrogen halide and their refining.… Read More »

Prescription and process for preparing compound amino acid capsule

Application Number: 00105601Application Date: 2000.04.11Publication Number: 1317318Publication Date: 2001.10.17Priority Information: International: A61K35/78;A61P1/14Applicant(s) Name: Hu JiapengAddress: Inventor(s) Name: Hu Jiapeng;Huang QingluPatent Agency Code: 00000Patent Agent: Abstract A compound amino acid capsule for delaying sanility, relieving fatigue, and improving immunity is prepared from 11 raw materials including compound amino acids powder, gynostemma pentaphyllum extract, soybean phosphotide, natural… Read More »

Supercritical CO2 extraction method for extracting glycyrrhizinic acid from licorice

Application Number: 00105599Application Date: 2000.04.03Publication Number: 1272501Publication Date: 2000.11.08Priority Information: International: C07H1/08;C07H15/24Applicant(s) Name: Sun ChuanjingAddress: Inventor(s) Name: Sun Chuanjing;Sun Yunpeng;Sun MinghuaPatent Agency Code: 44219Patent Agent: lin qiangAbstract The method for extracting and refining glycyrrhizic acid from licorice (or crude glycyrrhizic acid) by using supercritical CO2 extraction includes two steps: first step, using supercritical CO2 extraction… Read More »

Complexing extraction process of purifying glyoxalic acid

Application Number: 00105553Application Date: 2000.03.31Publication Number: 1270954Publication Date: 2000.10.25Priority Information: International: C07C51/487;C07C59/147Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Qin Wei;Dai Youyuan;Luo XuehuiPatent Agency Code: 11201Patent Agent: luo wenqunAbstract During the complexing extraction process, an extractant is first prepared with complexing agent, cosolvent and diluent, and then used in fractionating extraction of glyoxalic acid electrolyte, which is… Read More »

Process for treating waste water generated in production of refined terephthalic acid

Application Number: 00105478Application Date: 2000.03.31Publication Number: 1315295Publication Date: 2001.10.03Priority Information: International: C02F9/08Applicant(s) Name: Hao TongAddress: Inventor(s) Name: Hao Tong;Zhang Xuewen;Qu LingwanPatent Agency Code: 11218Patent Agent: wei qiangwenAbstract A process for treating the productive waste water of refined terephthalic acid features that the membrane separation is combined with resin adsorption separation to decrease COD to less… Read More »

Refining method for (methyl) acrylic acid

Application Number: 00105374Application Date: 2000.03.31Publication Number: 1270952Publication Date: 2000.10.25Priority Information: 1999/3/31 JP 93859/99International: C07C51/44;C07C51/46;C07C51/50;C07C57/04Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Sakamoto Ichihiko;Agano Koji;Nakahara SeiPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract This invention relates to a method for preventing (meth)acrylic acid from polymerizing during the course of distillation. The method provides for refining (meth)acrylic acid… Read More »

Method for synthesizing asparagic acid by adding ammonia in C4 binary acid or its anhydride

Application Number: 00105151Application Date: 2000.04.11Publication Number: 1272488Publication Date: 2000.11.08Priority Information: International: C07C227/08;C07C229/24Applicant(s) Name: Tianjin Univ.Address: Inventor(s) Name: Wang YaquanPatent Agency Code: 12201Patent Agent: ren yanAbstract A method for synthesizing asparagic acid uses maleic acid or maleic anhydride or fumaric acid as raw material, and adds ammonia water in its aqueous solution and makes them produce… Read More »

Direct polyaspartate synthesizing process catalyzed by aspartic acid precursor

Application Number: 00105150Application Date: 2000.04.11Publication Number: 1267673Publication Date: 2000.09.27Priority Information: International: C08F122/02Applicant(s) Name: Tianjin Univ.Address: Inventor(s) Name: Wang YaquanPatent Agency Code: 12201Patent Agent: ren yanAbstract Ammonium salt or diammonium salt of maleic acid or fumaric acid as material is synthesized into polyaspartate directly at 120-370 deg.c in the presence of inorganic acid, the alkali metal… Read More »

Anti-breaking boards made of thermoplastic polymer, especially polyacrylic acid and their use as sound insulation walls

Application Number: 00104903Application Date: 2000.03.30Publication Number: 1270100Publication Date: 2000.10.18Priority Information: 1999/3/30 FR 99/03940International: B29C70/22;E04C2/22Applicant(s) Name: Elf Atochem S. A.Address: Inventor(s) Name: X. Marcalien;I. BouillyPatent Agency Code: 72001Patent Agent: pang lizhiAbstract The panel includes a network of strands adherent to the thermoplastic polymer forming it. Each strand is embedded in close proximity to the panel face(s).

Process for producing L-glutamic acid

Application Number: 00104818Application Date: 2000.03.27Publication Number: 1271018Publication Date: 2000.10.25Priority Information: 1999/3/25 JP 81693/99International: C12P13/14Applicant(s) Name: Ajinomoto Co., Ltd.Address: Inventor(s) Name: Kimura Eiichiro;Nakamatsu Tsune;Kurahashi ShuPatent Agency Code: 72001Patent Agent: zhang anyuAbstract L-Glutamic acid is more efficiently produced at lower cost compared with conventional techniques by culturing a coryneform bacterium which has L-glutamic acid-producing ability in a… Read More »

Method for producing L-argenine and synthesising emzyme gene by carbamyl phosphoric acid of corynebacterium

Application Number: 00104697Application Date: 2000.02.01Publication Number: 1270223Publication Date: 2000.10.18Priority Information: 1999/2/1 JP 24149/99International: C12N15/31;C12P13/10Applicant(s) Name: Ajinomoto K. K.Address: Inventor(s) Name: Kuwahara Yoko;Hashiguchi Kenichi;Nakamatsu MotomuPatent Agency Code: 72001Patent Agent: wang jihaoAbstract A DNA fragment which encodes a polypeptide defined in the following (a) or (b), and a polypeptide defined in the following (c) or (d): (a)… Read More »

Increasing specificity of nuclein acid expansion by carrier nucleic acid

Application Number: 00104638Application Date: 2000.02.03Publication Number: 1271019Publication Date: 2000.10.25Priority Information: 1999/2/3 US 60/118495International: C12Q1/68Applicant(s) Name: Ousso Clinical Diagnosis Corp.Address: Inventor(s) Name: G. M. Presdon;J. W. BacusPatent Agency Code: 72001Patent Agent: tan mengshengAbstract Disclosed herein are improved methods for amplifying nucleic acids. The methods encompass a method for increasing the specificity of amplification of a target… Read More »

Arylsulfurylisooximino acid derivative

Application Number: 00104599Application Date: 2000.04.03Publication Number: 1304930Publication Date: 2001.07.25Priority Information: 1995/4/20 WO PCT/IB95/00279International: A61K31/44;A61K31/495;A61K31/535;A61P1/02;A61P19/02;A61P35/00;A61P43/00;C07D211/84;C07D241/04;C07D265/30Applicant(s) Name: Pfizer Inc.Address: Inventor(s) Name: Antony D. Piskopiau;James P. RhedzorPatent Agency Code: 11105Patent Agent: wu xiaonanAbstract A compound of formula (I) wherein R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, R<7>, R<8>, R<9> and Ar are as defined above, useful in the treatment… Read More »

Biocheimcal powder for improving acid soil

Application Number: 00104477Application Date: 2000.07.20Publication Number: 1335350Publication Date: 2002.02.13Priority Information: International: C09K17/40Applicant(s) Name: Hainan Yuzhou Energy Development Co., Ltd.Address: Inventor(s) Name: Yang Zhengxi;Chen QirongPatent Agency Code: 00000Patent Agent: Abstract The biochemical powder is compounded with several mineral matters, including granite, magnetite, zeolite, etc. as main material and small amount of plant slag and shell of… Read More »

Process for recovering acid from acid metal solution

Application Number: 00104372Application Date: 2000.03.21Publication Number: 1267747Publication Date: 2000.09.27Priority Information: 1999/3/22 AT A506/99International: C23G1/36Applicant(s) Name: Andritz-Patentverwaltungs-Gesellschaft GmbHAddress: Inventor(s) Name: A. LoeburPatent Agency Code: 72001Patent Agent: liu yuanjinAbstract The invention refers to a process for recovering acids from metallic solutions of these acids, preferably HF, HNO3, Fe, Cr, Ni compounds, as well as mixtures of these… Read More »

Composition containing L-2-keto thiazolidine-4-carboxylic acid in continuous aqueous phase

Application Number: 00104337Application Date: 2000.03.17Publication Number: 1267507Publication Date: 2000.09.27Priority Information: 1999/3/19 FR 9903476International: A61K7/02;A61K7/06;A61K7/135;A61K7/40;A61K7/48;A61P17/00Applicant(s) Name: L'OrealAddress: Inventor(s) Name: V. Cheuwaliye;M. KweistPatent Agency Code: 72001Patent Agent: guan lixinAbstract A composition containing a continuous aqueous phase comprising L-2-oxothiazolidine-4-carboxylic acid, at least one sequestering agent and at least one neutralizing agent, the said neutralizing agent being present in… Read More »