Inventor
Rainer Blankenburg
Inventor
Ludwigshafen, DE
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
A61QSpecific use of cosmetics or similar toiletry preparations28%
C07DHeterocyclic compounds6%
PatentTitleYear
6,482,393'Hairsetting compositions'20026,403,074'Use of polymers containing polysiloxane for cosmetic formulations'20026,187,884'Preparation of low molecular mass homopolymers of N-vinylpyrrolidone'20016,153,179'Hair setting lotions'20006,107,397'Aqueous copolymer dispersions of water-soluble monomers with N-vinyl groups and hydrophobic monomers'20006,103,820'Preparation of water-soluble copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer'20005,698,647'Preparation of polymers based on basic vinyl monomers'19975,635,169'Soluble copolymers for hair cosmetics'19975,461,159'Binding chemical impurities contained in crude N-vinylpyrrolid-2-one'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2002Patents assigned to BASF AG (9)· patent assignee history
1995–2002Based in Ludwigshafen, DE· patent location history
2000–2002Based in Stuttgart-Feuerbach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 9 | 1995–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ludwigshafen, DE | 6 | 1995–2002 |
| Stuttgart-Feuerbach, DE | 3 | 2000–2002 |