Inventor · disambiguated record
Kwok K. Sun
Also filed as: SUN KWOK K
13 granted patents·129 citations·filing 1975–1993
90Inventor score
Top patents by PatentIndex Score
13 records- 0190US4052466AProcess for the preparation of bisphenol-aUPJOHN CO·Filed 1976·Granted Oct 4, 1977·28 cites·25 claims
- 0289US5418054AFlame-retardant, waterproof and breathable expanded PTFE laminateGORE & ASS·Filed 1993·Granted May 23, 1995·65 cites·7 claims
- 0368US4008275AProcess for isolating 4,4'-diaminodiphenylmethaneUPJOHN CO·Filed 1975·Granted Feb 15, 1977·7 cites·15 claims
- 0464US4034039APurification of methylenedianilinesUPJOHN CO·Filed 1976·Granted Jul 5, 1977·6 cites·11 claims
- 0561US4177211AProcess for the preparation of bis(aminophenyl)alkanesUPJOHN CO·Filed 1978·Granted Dec 4, 1979·4 cites·15 claims
- 0654US4607093ASydnone based polyimideDOW CHEMICAL CO·Filed 1985·Granted Aug 19, 1986·9 cites·20 claims
- 0750US4201722AProcess for separating 4,4'-diaminodiphenylmethaneUPJOHN CO·Filed 1976·Granted May 6, 1980·3 cites·5 claims
- 0845US4029705APurification process for MDAUPJOHN CO·Filed 1975·Granted Jun 14, 1977·2 cites·8 claims
- 0938US4351957AProcess for preparing diaminodiphenyl-alkanesUPJOHN CO·Filed 1979·Granted Sep 28, 1982·1 cites·13 claims
- 1036US4868225ANovel productDOW CHEMICAL CO·Filed 1988·Granted Sep 19, 1989·3 cites·5 claims
- 1131US4028361AProcess for the purification of MDAUPJOHN CO·Filed 1975·Granted Jun 7, 1977·0 cites·12 claims
- 1230US4792623AMeta-phenylene-diaminesDOW CHEMICAL CO·Filed 1982·Granted Dec 20, 1988·1 cites·12 claims
- 1329US4866208AMeta-phenylene diamine derivativesDOW CHEMICAL CO·Filed 1988·Granted Sep 12, 1989·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →