Tag Archives: rare-earth

Process for preparing yellow-green rare-earth glass with long afterglow

Application Number  00128255 Application Date  2000.12.14 Publication Number  1305967 Publication Date  2001.08.01 Priority Information     International Classification  C03C1/00;C03C3/15;C03C4/00;C03C6/00   Applicant(s) Name  Changchun Inst of Applied Chemistry, Chinese Academy of Sciences   Address     Inventor(s) Name  Su Qiang;Li Chengyu;Lu Yuhua   Patent Agency Code  22001 Patent Agent  cao guizhen AbstractA yellow-green rare-earth glass with… Read More »

Dialkylmethylene bridged fluorenyl cyclopentadiene rare-earth complex and its preparing process and application

Application Number: 00125203Application Date: 2000.09.15Publication Number: 1286256Publication Date: 2001.03.07Priority Information: International: C07C13/605;C07F5/00;C07F7/02Applicant(s) Name: Shanghai Inst of Organic Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Qian Changtao;Nie WanliPatent Agency Code: 31002Patent Agent: wu shenzhongAbstract A alkyl methylene bridged fluroenyl cyclopentadiene rare-earth complex has the chemical formula: {[X1]2R7(C5R1R2R3R4)(C13H6R5R6)}[MX2(L)n]m, where R1, R3 or R4=H or CH3, R2=H or… Read More »

Rare-earth multi-functional composite stabilizer for PVC and its processing method

Application Number: 00117157Application Date: 2000.06.12Publication Number: 1277974Publication Date: 2000.12.27Priority Information: International: C08K13/02;C08L27/06Applicant(s) Name: Zheng DeAddress: Inventor(s) Name: Zheng De;Lu ZhigangPatent Agency Code: 44201Patent Agent: sheng peizhenAbstract The present invention relates to a rare earth multifunction composite stabilizer for use on PVC resin, said stabilizer is prepared from rare earth compound and antioxidant or/and calcium stearate… Read More »

Rare-earth organic electroluminescence narrow-band blue light emitting material

Application Number: 00117788Application Date: 2000.06.20Publication Number: 1329127Publication Date: 2002.01.02Priority Information: International: C09K11/06Applicant(s) Name: Changchun Inst. of Optical Precision Machinery & Physics, Chinese Academy of SciAddress: Inventor(s) Name: Li Wenlian;Hong Zhenyi;Liang ChunjunPatent Agency Code: 22001Patent Agent: song tianbengAbstract A rate earth organic electroluminescence narrow-band blue light emission material belongs to the field of rare earth compounding… Read More »

Rare-earth organic electroluminescence white light emitting material

Application Number: 00117790Application Date: 2000.06.20Publication Number: 1329128Publication Date: 2002.01.02Priority Information: International: C09K11/06Applicant(s) Name: Changchun Inst. of Optical Precision Machinery & Physics, Chinese Academy of SciAddress: Inventor(s) Name: Li Wenlian;Hong Zhenyi;Zhao DanPatent Agency Code: 22001Patent Agent: song tianbengAbstract A rare earth organic electroluminescence new type white light emission material belongs to the field of rare earth… Read More »

Process for recovering waste rare-earth water and fully cyclic treatment

Application Number: 00119174Application Date: 2000.07.04Publication Number: 1331055Publication Date: 2002.01.16Priority Information: International: C02F9/04Applicant(s) Name: Ma KeyinAddress: Inventor(s) Name: Ma KeyinPatent Agency Code: 15101Patent Agent: liu xiuzhenAbstract A recovery and full-circulation process for treating the waste water generated in rare-earth production features that physical and chemical methods are used for recovering the elements by classes and integrated… Read More »

Pd-Ag-Ru based alloy containing rare-earth elements

Application Number: 00119295Application Date: 2000.07.13Publication Number: 1334351Publication Date: 2002.02.06Priority Information: International: C22C5/06;H01H1/02Applicant(s) Name: Guiyan Platinum Industry Co., LtdAddress: Inventor(s) Name: Zhang Kanghou;Xu Yun;Li QuboPatent Agency Code: 53100Patent Agent: liu juanyiAbstract A Pd-Ag-Ru base alloy containing rare-earth element RE (Gd, Tb, Dy, Ho, Er, Tm, Yb, or Lu) contains Pd (20-30 wt.%), Ru (0.5-3 wt.%), RE… Read More »

Multi-kernel rare-earth light-converting powder, its preparing process and its application

Application Number: 00119592Application Date: 2000.08.10Publication Number: 1338500Publication Date: 2002.03.06Priority Information: International: C08K5/09;C09K11/78Applicant(s) Name: Shanghai Normal UnivAddress: Inventor(s) Name: Wang Zemin;Fu Chujin;Cao JinrongPatent Agency Code: 31100Patent Agent: bai yihuaAbstract A multi-kernel rare-earth powder for converting ultraviolet light to red light has the chemical formula Eux(M1)y(M2)2Li, where M1 is Sm or 3-valence Ce, M2 is La, Yb,… Read More »

Preparation method of rare-earth copper oxide ceramic powder body

Application Number: 00110556Application Date: 2000.06.21Publication Number: 1328980Publication Date: 2002.01.02Priority Information: International: C04B35/45;C04B35/622Applicant(s) Name: Inst. of Metals, Chinese Academy of SciencesAddress: Inventor(s) Name: Zhou Yanchun;Wang XiaohuiPatent Agency Code: 21002Patent Agent: zhang chenAbstract The preparation method of rare earth copper oxide ceramic powder uses the nitrate of correspondent metal as oxidant, uses urea as burning agent and… Read More »

Process for preparing super-stable Y zeolite containing rare-earth elements

Application Number: 00122838Application Date: 2000.08.30Publication Number: 1340597Publication Date: 2002.03.20Priority Information: International: B01J29/08;B01J37/04;C10G11/05Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Chen Yuling;Ma Yuelong;Sun WeiPatent Agency Code: 72001Patent Agent: xu shuAbstract A rare-earth contained super-stable Y zeolite is prepared from the super-stable Y zeolite containing sodium oxide (3-5 wt.%), rare-earth compound and water in wt ratio of… Read More »

Rare-earth activated aluminosilicate long persistence luminescent, and prepn. method therefor

Application Number: 00111210Application Date: 2000.07.14Publication Number: 1277982Publication Date: 2000.12.27Priority Information: International: C09K11/80Applicant(s) Name: Lunbo Industry Group Co., Ltd., ShandongAddress: Inventor(s) Name: Sun Zhao;Su Shimin;Zhang YujunPatent Agency Code: 37200Patent Agent: sun junAbstract The present invention relates to a rare earth-activated alkali earth metal aluminium silicate long-afterglow luminous material and its preparation method. Its general expression formula… Read More »

Method and device for cutting rare-earth alloy

Application Number: 00124384Application Date: 2000.09.11Publication Number: 1288798Publication Date: 2001.03.28Priority Information: 2000/7/18 JP 217793/200; 1999/9/17 JP 263514/1999International: B24B27/06;H02K1/02Applicant(s) Name: Sumitomo Special Metals., Ltd.Address: Inventor(s) Name: Ishida Ichi;Kondo Sdahiko;Miyaji AkiraPatent Agency Code: 11021Patent Agent: wang huiminAbstract To provide a cutting method for rare earth alloys, in which wire disconnection is prevented to implement continuous operation for a… Read More »

Process for utilizing waste smelting dregs of rare-earth ferrosilicon

Application Number: 00112002Application Date: 2000.01.01Publication Number: 1302910Publication Date: 2001.07.11Priority Information: International: C21B3/04;C22C33/04Applicant(s) Name: Fang XingboAddress: Inventor(s) Name: Fang Xingbo;Hu Liangzai;Tan RongshengPatent Agency Code: 32200Patent Agent: wang zhiziAbstract A process for utilizing the waste slags after smelting rare-earth ferrosilicon includes such steps as adding the following Wt.% of the said waste slags of lime 10-45%, scrap… Read More »

Powder metallurgy rare-earth iron bronze alloy oil-impregnated bearing and its manufacturing method

Application Number: 00125034Application Date: 2000.09.05Publication Number: 1281955Publication Date: 2001.01.31Priority Information: International: C22C9/02;F16C33/04Applicant(s) Name: Yingqiu Group Co. Ltd., Haian CountyAddress: Inventor(s) Name: Chen XiufaPatent Agency Code: 00000Patent Agent: Abstract The composition of said bearing component contains (wt%) Cu 18-54%, Sn 2-6%, La or Ce 0.2-2% and the rest is Fe and inevitable impurity, and its preparation… Read More »

Rare-earth metal wire

Application Number: 00115903Application Date: 2000.07.17Publication Number: 1334355Publication Date: 2002.02.06Priority Information: International: C21C7/04;C22C28/00;C22C35/00Applicant(s) Name: Zuo ShenghuaAddress: Inventor(s) Name: Zuo ShenghuaPatent Agency Code: 42102Patent Agent: zhang anguoAbstract A rare-earth metal wire with high purity, plasticity and strength features that the content of the impurities non-soluble in 20-30 vol% hydrochloric acid is less than 0.2 wt.%. Said impurities… Read More »

Powder metallurgy, rare-earth, iron and brass alloy oil-impregnated bearing and its mfg. method

Application Number: 00125035Application Date: 2000.09.05Publication Number: 1288114Publication Date: 2001.03.21Priority Information: International: C22C9/04;F16C33/04Applicant(s) Name: Yingqiu Group Co., Ltd., Hai-an CountyAddress: Inventor(s) Name: Chen XiufaPatent Agency Code: 00000Patent Agent: Abstract An oil-contained bearing contains such components (Wt.%) as: Cu (20-45), Zn (4-9), La or Ce (0.2-2), and Fe (rest) through proportional mixing of Cu, Zn, La or… Read More »

Rare-earth phenyldiformate, and its preparing process and application

Application Number: 00115906Application Date: 2000.07.17Publication Number: 1283607Publication Date: 2001.02.14Priority Information: International: C07C63/15;C08K5/092Applicant(s) Name: Peng ShijieAddress: Inventor(s) Name: Peng Shijie;Peng Xianyu;Zhang XuequnPatent Agency Code: 00000Patent Agent: Abstract A rare-earth phenyldiformate (RE)2 [C6H4 (COO)2]3, where RE is La, Ce, Pr or Nd, may be the rare-earth tere-phthalate, rare-earch phthalate, or rare-earth metaphthalate, and is prepared through saponifying… Read More »

Surface treatment method and apparatus, vapor deposition material, and rare-earth based permanent magnet

Application Number: 00108341Application Date: 2000.05.12Publication Number: 1276440Publication Date: 2000.12.13Priority Information: 2000/4/19 JP 117771/2000; 1999/5/14 JP 134998/1999; 1999/5/14 JP 134999/1999International: C23C14/24;H01F7/02;H01F41/32Applicant(s) Name: Sumitomo Special Metal Co., Ltd.Address: Inventor(s) Name: Nishiuchi Takeshi;Tochishita Yoshiki;Kikui FumiakiPatent Agency Code: 11038Patent Agent: sun zhengAbstract A surface treating process according to the present invention, a vapor deposited film is formed from an… Read More »

Manufacturing method for rare-earth alloy and manufacture of rare-earth magnets thereby

Application Number: 00107318Application Date: 2000.05.10Publication Number: 1289663Publication Date: 2001.04.04Priority Information: 1999/5/13 JP 132179/99International: B24B55/02Applicant(s) Name: Sumitomo Special Metal Co., Ltd.Address: Inventor(s) Name: Kondo sadahikoPatent Agency Code: 11021Patent Agent: wang huiminAbstract The invention provides a method of machining a rare earth alloy and manufacture method of rare-earth magnets thereby. In a step of grinding a block… Read More »

Rare-earth additive of lubricating oil and its preparing process

Application Number: 00106137Application Date: 2000.04.26Publication Number: 1320683Publication Date: 2001.11.07Priority Information: International: C10M125/04;C10M137/04Applicant(s) Name: Lida Group Co., Ltd, QingdaoAddress: Inventor(s) Name: Jiang Xiuren;Yu Chunxu;Wang QingdePatent Agency Code: 11230Patent Agent: wang junAbstract A rare-earth additive for lubricating oil is an extreme pressure antiwear one, and is prepared from water-soluble rare-earth compound, phosphate, diluent, sodium hydroxide, organic amine,… Read More »

Strong rare-earth water-proofing agent and its preparing process

Application Number: 00104580Application Date: 2000.03.24Publication Number: 1315302Publication Date: 2001.10.03Priority Information: International: C04B24/00Applicant(s) Name: Deng GenbaoAddress: Inventor(s) Name: Deng GenbaoPatent Agency Code: 36100Patent Agent: li weidongAbstract A rare-earth water-proofing agent for high-strength concrete is prepared from naphthalene, rare-earth chloride, sulfuric acid, formaldehyde and sodium hydroxide through sulfonating reaction, hydrolysis reaction and neutralizing reaction. It can be… Read More »

Rare-earth draught resistant composite seed coating agent

Application Number: 00102141Application Date: 2000.03.01Publication Number: 1310944Publication Date: 2001.09.05Priority Information: International: A01C1/06;A01N47/00;A01N65/00Applicant(s) Name: Zhongtian Technology Innovation Egineering Co., Ltd., NingxiaAddress: Inventor(s) Name: Miao Xifu;Wang Guoqiang;Li JiehuangPatent Agency Code: 64100Patent Agent: ye huajunAbstract The present invention relates to rare earth antidrought type complex seed coating agent which includes high molecular polymer capable of absorbing hundreds to… Read More »

Process for preparing rare-earth sulfide

Application Number: 00100424Application Date: 2000.01.31Publication Number: 1262224Publication Date: 2000.08.09Priority Information: International: C01F17/00Applicant(s) Name: Li BoAddress: Inventor(s) Name: Li BoPatent Agency Code: 11139Patent Agent: sun haochenAbstract A process for preparing rare-earth sulfide features that rare-earth metal and zinc sulfide take part in reaction at 1000-1600 deg.C under 10 to the power (-2–4) pa to obtain ReS… Read More »