Assignee
HEYL & CO
DE·4 granted patents·45 citations·filing 1974–1981
Top patents by PatentIndex Score
4 records- 0165US4290918ASoluble polymerization catalysts, production of the same and their useHEYL & CO·Filed 1979·Granted Sep 22, 1981·15 cites·8 claims
- 0264US4382040AProcess for production of 2,3-dimercaptopropane-1-sulfonic acid and its saltsHEYL & CO·Filed 1980·Granted May 3, 1983·12 cites·15 claims
- 0356US4419490APolymeric hydrogenation catalysts, the production thereof and their use to promote hydrogenationHEYL & CO·Filed 1981·Granted Dec 6, 1983·17 cites·18 claims
- 0442US3968154AMethod of producing penicillamineHEYL & CO·Filed 1974·Granted Jul 6, 1976·1 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when HEYL & CO 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 →