Inventor
Francis L. Himpsl
Inventor
Matawan, NJ, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry40%
C10GCracking hydrocarbon oils40%
C01BNon-metallic elements7%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
5,277,931'Composite ion-exchange material, preparation and use thereof'19945,106,485'Catalytic cracking of hydrocarbons with a mixture of zeolite L and zeolite Y'19924,699,893'Fluid cracking catalyst and method of making same from waste catalyst manufacture fines'19874,581,340'Fluid cracking catalyst and method of making same from waste catalyst manufacture fines'19864,581,341'Method for producing cracking catalyst'19864,520,119'Cracking catalyst and manufacture thereof'19854,384,949'Pretreating hydrocarbon feed stocks using deactivated FCC catalyst'19834,338,289'Preparation of decaborane (14) through hydride ion abstraction reactions'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to US ARMY (1)· patent assignee history
1982–1992Based in Matawan, NJ, US· patent location history
1983Patents assigned to ENGELHARD MIN & CHEM (1)· patent assignee history
1985–1994Patents assigned to ENGELHARD CORP (6)· patent assignee history
1994Based in Freehold, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ENGELHARD CORP | 6 | 1985–1994 |
| ENGELHARD MIN & CHEM | 1 | 1983 |
| US ARMY | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matawan, New Jersey, US | 7 | 1982–1992 |
| Freehold, New Jersey, US | 1 | 1994 |