Method of scaling in phthalic acid oxidizing and drying machine

Application Number: 00112559Application Date: 2000.09.20Publication Number: 1287112Publication Date: 2001.03.14Priority Information: International: C07C51/265;C07C63/26Applicant(s) Name: Yangzi Petrochemical Co., Ltd., China Petrochemical Group Corp.Address: Inventor(s) Name: Xing Jianliang;Zhang Jingman;Yang ShengdongPatent Agency Code: 32204Patent Agent: huang jiadongAbstract One additional 1.0 MPa pressure steam pipe is installed. When some scale is formed and after closing the original 0.5 MPa steam Read more

Control system and method for in-line set-point scaling on metallic plate or band

Application Number: 00113996Application Date: 2000.12.01Publication Number: 1355073Publication Date: 2002.06.26Priority Information: International: B21B38/00;B21B39/34;B23D33/12;B41J3/413Applicant(s) Name: Xi'an Inst. of Heavy Machinery, Ministry of Machine-Building IndustryAddress: Inventor(s) Name: Zhang Yongan;Zhou Deqi;Ren YuchengPatent Agency Code: 00000Patent Agent: Abstract A control system for in-line labelling at fixed points on metal plate or band is composed of a control unit for set Read more

Corrosion-retarding compound scaling inhibitor for treating circulating low-hardness water

Application Number: 00109590Application Date: 2000.06.28Publication Number: 1331050Publication Date: 2002.01.16Priority Information: International: C02F1/54Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Wang Zhenyu;Li BengaoPatent Agency Code: 72001Patent Agent: xu shuAbstract A corrosion-retarding compound scaling inhibitor for treating the circulated low-hardness coding water contains sulfonic acid contained phosphincarboxylic acid (1-30 wt.%), hydroxyphosphinoacetic acid compound (5-40%), organic phosphonic acid Read more

Corrosion-retarding compound scaling inhibitor for treating middle- or high-hardness circulating water

Application Number: 00109589Application Date: 2000.06.28Publication Number: 1331051Publication Date: 2002.01.16Priority Information: International: C02F1/56Applicant(s) Name: Chinese Petro-Chemical Co LtdAddress: Inventor(s) Name: Wang Zhenyu;Li BengaoPatent Agency Code: 72001Patent Agent: xu shuAbstract A corrosion-retarding compound scaling inhibitor for treating circulated high-hardness water contains sulfonic acid contained organic phosphinocarboxylic acid (1-40 wt.%), acrylic copolymer (1-20%), organic phosphonic acid compound (1-30%), Read more

Process for scaling on alloy steel surface

Application Number: 00102939Application Date: 2000.03.16Publication Number: 1267750Publication Date: 2000.09.27Priority Information: International: C25F1/06Applicant(s) Name: Dalian Iron & Steel Group Corp. Ltd.Address: Inventor(s) Name: Wu Huiran;Xia XueliangPatent Agency Code: 11207Patent Agent: cheng guanghuAbstract The present invention belongs to the solution pickling of metal material and is used to scale the surface of alloy steel. The method of Read more

Bar cde reader, scaling device and method

Application Number: 00102608Application Date: 2000.02.24Publication Number: 1276576Publication Date: 2000.12.13Priority Information: 1999/6/4 JP 158059/1999International: G06K7/10Applicant(s) Name: Fujitsu Ltd.Address: Inventor(s) Name: Kawae Hiroakira;Iwaguchi Tsutomu;Watanabe TeruoPatent Agency Code: 11038Patent Agent: yu jingAbstract A bar code reader includes bar code processing units for generating a bright/dark pattern forming a bar code by optically scanning a bar code forming surface Read more

Method for reducing polymer scaling on surface of reactor in process of continuously preparing polymer

Application Number: 00101097Application Date: 2000.01.19Publication Number: 1262281Publication Date: 2000.08.09Priority Information: 1999/1/26 US 60/117,185International: C08F2/00Applicant(s) Name: Rohm and Haas Co.Address: Inventor(s) Name: D. M. MacFaden;R. S-H. WuPatent Agency Code: 11038Patent Agent: chen jizhuangAbstract A continuous process for preparing polymers in a non-cylindrical heat exchanger is disclosed. The amount of monomer fed and polymer in the reactor Read more