Assignee

CHANG JOHN C

US·1 granted patent·26 citations·filing 1990–1990

Technology mixC08G1 D06M1 Y10S1 Y10T1

Top patents by PatentIndex Score

1 record

0169US5098774ADivalent metal salts of sulfonated novolak resins and methods for treating fibrous polyamide materials therewithCHANG JOHN C·Filed 1990·Granted Mar 24, 1992·26 cites·14 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →