Assignee
MEISEI CHEMICAL WORKS LTD
8 granted patents·1 pending application·24 citations·filing 1975–2023
Top patents by PatentIndex Score
9 records- 0162US2025326941A1Oil-resistant agent composition and oil-resistant productMEISEI CHEMICAL WORKS LTD·Filed 2023·Application pending·0 cites
- 0242US7622415B2Polymerization catalyst composition for ethylene oxide and proces for the production of poly(ethylene oxide) with the sameMEISEI CHEMICAL WORKS LTD·Filed 2003·Granted Nov 24, 2009·0 cites·9 claims
- 0339US4215988AResist printing methodMEISEI CHEMICAL WORKS LTD·Filed 1978·Granted Aug 5, 1980·2 cites·10 claims
- 0435US4178409AFlame retardant coating composition and fabric coated therewithMEISEI CHEMICAL WORKS LTD·Filed 1977·Granted Dec 11, 1979·5 cites·7 claims
- 0531US5866669ASulfonated phenol-formaldehyde resin for paper-makingMEISEI CHEMICAL WORKS LTD·Filed 1997·Granted Feb 2, 1999·7 cites·2 claims
- 0630US4054720AFlame retardant polyester article, method for the production of the same and compositions for retarding the flammability of polyester articleMEISEI CHEMICAL WORKS LTD·Filed 1975·Granted Oct 18, 1977·6 cites·30 claims
- 0729US4723960AProcess for scouring and dyeing synthetic fibers in one-bath with a pH-adjusting agentMEISEI CHEMICAL WORKS LTD·Filed 1985·Granted Feb 9, 1988·4 cites·3 claims
- 0826US10894239B2Dispersant, dispersion composition, and fibrous sheetMEISEI CHEMICAL WORKS LTD·Filed 2015·Granted Jan 19, 2021·0 cites·15 claims
- 0917US4259396AFlame retardant treatment for polyester productsMEISEI CHEMICAL WORKS LTD·Filed 1978·Granted Mar 31, 1981·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when MEISEI CHEMICAL WORKS LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →