Inventor · disambiguated record
Hellmuth Spes
Also filed as: SPES HELLMUTH
6 granted patents·30 citations·filing 1975–1978
76Inventor score
Files withWACKER CHEMIE GMBH6
Top patents by PatentIndex Score
6 records- 0182US4107002AProcess for the purification of crude acetic anhydrideWACKER CHEMIE GMBH·Filed 1976·Granted Aug 15, 1978·22 cites·5 claims
- 0254US4129596AProcess for the continuous preparation of acetoacetamidesWACKER CHEMIE GMBH·Filed 1977·Granted Dec 12, 1978·4 cites·3 claims
- 0347US4201715AProcess for the anilidization of carboxylic acid estersWACKER CHEMIE GMBH·Filed 1978·Granted May 6, 1980·2 cites·6 claims
- 0436US4094902AProcess for the manufacture of phosphoric acid-tris-(dimethylamide)WACKER CHEMIE GMBH·Filed 1976·Granted Jun 13, 1978·2 cites·10 claims
- 0523US3997550AMethod for the purification of 2-aminothiazoleWACKER CHEMIE GMBH·Filed 1975·Granted Dec 14, 1976·0 cites·4 claims
- 0622US4098819AProcess for the production of phosphoric acid-dimethylamide-dichloride or phosphoric acid-bis-(dimethylamide)-chlorideWACKER CHEMIE GMBH·Filed 1976·Granted Jul 4, 1978·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Hellmuth Spes files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →