Inventor · disambiguated record
Laurence W. Chang
Also filed as: CHANG LAURENCE W · CHANG LAURENCE WU-KWANG
23 granted patents·210 citations·filing 1982–2000
95Inventor score
Top patents by PatentIndex Score
23 records- 0194US4439616ATertiary aralkyl urethanes and isocyanates derived therefromAMERICAN CYANAMID CO·Filed 1982·Granted Mar 27, 1984·44 cites·25 claims
- 0283US6307058B1Self-crosslinking hydroxy/alkoxy acyl imidazolidinone monomersCYTEC TECH CORP·Filed 2000·Granted Oct 23, 2001·21 cites·3 claims
- 0375US4570012AUrethanes from tertiary aralkyl diolsAMERICAN CYANAMID CO·Filed 1984·Granted Feb 11, 1986·11 cites·14 claims
- 0475US4379767AManufacture of isocyanatesAMERICAN CYANAMID CO·Filed 1982·Granted Apr 12, 1983·13 cites·11 claims
- 0574US6166220AEthylenically unsaturated imidazidolidinone monomersCYTEC TECH CORP·Filed 1997·Granted Dec 26, 2000·15 cites·20 claims
- 0673US5840908ASulfenamide accelerators and rubber compositions containing the sameCYTEC TECH CORP·Filed 1994·Granted Nov 24, 1998·14 cites·17 claims
- 0770US6630599B1Process for preparing derivatives of isopropenyl-α, α-dimethylbenzyl isocyanateCYTEC TECH CORP·Filed 1998·Granted Oct 7, 2003·11 cites·3 claims
- 0861US5665852ASubstituted urea and oxime modified amino crosslinking agents, curable compositions containing the same and process for preparing pyrrolidone ureaCYTEC TECH CORP·Filed 1995·Granted Sep 9, 1997·17 cites·7 claims
- 0957US4879410APreparation of primary aralkyl urethanes and ureas and isocyanates derived therefromAMERICAN CYANAMID CO·Filed 1986·Granted Nov 7, 1989·10 cites·23 claims
- 1054US4863636ASubstituted N-hydroxyphthalimides and their use as detergent additivesAMERICAN CYANAMID CO·Filed 1988·Granted Sep 5, 1989·17 cites·9 claims
- 1147US5155174ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1990·Granted Oct 13, 1992·6 cites·12 claims
- 1246US6028141APolyfunctional crosslinking agents and curable compositions containing the sameCYTEC TECH CORP·Filed 1997·Granted Feb 22, 2000·6 cites·17 claims
- 1345US5306782ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1993·Granted Apr 26, 1994·6 cites·9 claims
- 1442US5270384ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1992·Granted Dec 14, 1993·5 cites·10 claims
- 1541US5284910ASurface-modified polyacrylonitrile fibrous substratesAMERICAN CYANAMID CO·Filed 1992·Granted Feb 8, 1994·5 cites·12 claims
- 1639US6136378AMethod of coating a substrate using curable compositions containing novel polyfunctional crosslinking agentsCYTEC TECH CORP·Filed 1999·Granted Oct 24, 2000·3 cites·2 claims
- 1735US5418284ASurface-modified polyacrylonitrile beadsCYTEC TECH CORP·Filed 1993·Granted May 23, 1995·4 cites·19 claims
- 1835US5284911ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1992·Granted Feb 8, 1994·2 cites·31 claims
- 1931US6150460ACurable compositions containing novel polyfunctional crosslinking agentsCYTEC TECH CORP·Filed 1999·Granted Nov 21, 2000·0 cites·11 claims
- 2030US5194512ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1991·Granted Mar 16, 1993·0 cites·11 claims
- 2129US5268421ASurface-modified polyacrylonitrile beadsAMERICAN CYANAMID CO·Filed 1992·Granted Dec 7, 1993·0 cites·21 claims
- 2229US5137983ASurface-modified polyacrylonitrile beadsAMERICAN CYANAMID CO·Filed 1990·Granted Aug 11, 1992·0 cites·10 claims
- 2329US5082904ASurface-modified polyacrylonitrile substratesAMERICAN CYANAMID CO·Filed 1990·Granted Jan 21, 1992·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →