Assignee
PYRENE CHEMICAL SERVICES LTD
GB·4 granted patents·58 citations·filing 1985–1987
Top patents by PatentIndex Score
4 records- 0168US4801337AProcess and composition for conversion coating metal surfacesPYRENE CHEMICAL SERVICES LTD·Filed 1987·Granted Jan 31, 1989·26 cites·20 claims
- 0250US4729770AProcesses and compositions for abrasive blast cleaningPYRENE CHEMICAL SERVICES LTD·Filed 1987·Granted Mar 8, 1988·14 cites·11 claims
- 0349US4644029AChromate coatings for metalsPYRENE CHEMICAL SERVICES LTD·Filed 1985·Granted Feb 17, 1987·16 cites·11 claims
- 0413US4747885ASolution and process for coating metalsPYRENE CHEMICAL SERVICES LTD·Filed 1986·Granted May 31, 1988·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →