Assignee
QUESTRA CHEMICALS CORP
US·2 granted patents·10 citations·filing 1988–1989
Top patents by PatentIndex Score
2 records- 0148US4978741AMethod for preparing essentially haze-free isophthalic acid- and polymethylolalkanoic acid-containing resinsQUESTRA CHEMICALS CORP·Filed 1989·Granted Dec 18, 1990·7 cites·23 claims
- 0246US4912187ASolid ester products of sterically hindered polyhydroxymonocarboxylic acidsQUESTRA CHEMICALS CORP·Filed 1988·Granted Mar 27, 1990·3 cites·27 claims
Join the waitlist — get patent alerts
Get an alert when QUESTRA CHEMICALS CORP 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 →