Inventor
Frank Clasen
Inventor
Hilden, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes20%
A61QSpecific use of cosmetics or similar toiletry preparations20%
C07CAcyclic or carbocyclic compounds15%
C07HSugars15%
C11DDetergent compositions15%
A01NPreservation of bodies of humans or animals or plants or parts thereof5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,765,614Aqueous surfactant compositions202010,253,058Alkylglycoside sulfomethylsuccinate surfactants20199,790,172'Sulfated oligohydroxycarboxylic acid esters, and use thereof'20177,585,830'Method for the alkoxylation of alkyl and/or alkenyl polyglycosides'20097,022,661'Alkyl-and/or alkylene oligoglycoside betaine ester quaternaries'20065,478,554'Process for reducing the content of free fromaldehyde and formic acid in nonionic and anionic surfactants'19955,312,932'Process for the continuous production of partial glyceride sulfates'19944,981,617'Process for the preparation of reaction products of epoxidized ricinoleic acid glycerides with sulfur trioxide'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1995Patents assigned to HENKEL KGAA (3)· patent assignee history
1991–2019Based in Hilden, DE· patent location history
2006Patents assigned to COGNIS DEUTSCHLAND GMBH (1)· patent assignee history
2009Patents assigned to COGNIS IP MAN GMBH (1)· patent assignee history
2017–2020Patents assigned to BASF SE (3)· patent assignee history
2020Based in Dusseldorf, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF SE | 3 | 2017–2020 |
| HENKEL KGAA | 3 | 1991–1995 |
| COGNIS DEUTSCHLAND GMBH | 1 | 2006 |
| COGNIS IP MAN GMBH | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hilden, DE | 7 | 1991–2019 |
| Dusseldorf, DE | 1 | 2020 |