Assignee
KOHKOKU CHEMICAL IND CO
6 granted patents·69 citations·filing 1974–1980
Top patents by PatentIndex Score
6 records- 0185US3956202AProcess for preparing low smoke-generating rigid polyurethane foamKOHKOKU CHEMICAL IND CO·Filed 1974·Granted May 11, 1976·34 cites·4 claims
- 0254US3965052AProcess for preparing low smoke-generating rigid foamsKOHKOKU CHEMICAL IND CO·Filed 1974·Granted Jun 22, 1976·10 cites·7 claims
- 0350US4302489AProcess for producing a foam sheet having an embossed patternKOHKOKU CHEMICAL IND CO·Filed 1980·Granted Nov 24, 1981·9 cites·8 claims
- 0449US3982157AEquipment for spouting powder or fluid having mechanism for preventing electric shockKOHKOKU CHEMICAL IND CO·Filed 1975·Granted Sep 21, 1976·11 cites·18 claims
- 0534US4071484AProcess for preparing flexible flame retarding polyurethane foamsKOHKOKU CHEMICAL IND CO·Filed 1976·Granted Jan 31, 1978·3 cites·7 claims
- 0627US4075137AProcess for preparing flame retarding polyurethane foamsKOHKOKU CHEMICAL IND CO·Filed 1976·Granted Feb 21, 1978·2 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →