Inventor
Fritz J. Gohlke
Inventor
Burgkirchen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds33%
C10GCracking hydrocarbon oils27%
B01DSeparation13%
C07CAcyclic or carbocyclic compounds7%
C07DHeterocyclic compounds7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials7%
PatentTitleYear
5,171,877'Urethanes made from aliphatic fluoro alcohols, isocyanates and carboxylic acids, a process for their preparation and their use'19924,474,682'Petroleum emulsion-breakers containing nitrogen, and their use'19844,465,817'Modified etherified phenol/aldehyde condensation products and their use for breaking petroleum emulsions'19844,431,565'Surface-active compounds, a process for their preparation and their use'19844,117,031'Crude oil demulsifiers'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1992Patents assigned to HOECHST AG (5)· patent assignee history
1978Based in Altotting, DE· patent location history
1984–1992Based in Burgkirchen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 5 | 1978–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burgkirchen, DE | 4 | 1984–1992 |
| Altotting, DE | 1 | 1978 |