Inventor
Gerhard Langstein
Inventor
Kurten, DE
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds62%
C08LCompositions of macromolecular compounds12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B01DSeparation4%
C07CAcyclic or carbocyclic compounds4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
PatentTitleYear
8,354,028'Method for separating an organic phase from an electrolyte-containing aqueous and organic phase'20137,446,151'Process for production of high-isoprene butyl rubber'20087,282,548'Process for production of high-isoprene butyl rubber'20077,256,244'Process for production of high-isoprene butyl rubber'20076,846,885'Process for the preparation of isoolefin copolymers'20056,677,421'Process for the preparation of isoolefin copolymers'20046,562,916'Process for the preparation of isoolefin copolymers'20036,545,100'Halogenated, high molecular weight, gel-free isobutene copolymers with elevated double bond contents'20036,156,859'Process for producing highly branched polyisoolefins'20006,015,841'Initiator systems containing vanadium tetrachloride for the (co)polymerization of isoolefins'20005,703,182'Process for the production of polyisoolefins by means of novel metallocene type initiator systems'19975,668,232'Process for the production of polyisoolefins'19975,587,424'Mixture of fluorocarbon rubber and silicone/acrylate core/shell rubber'19965,554,689'Combinations of polyorganosiloxanes and fluororubbers containing double bonds by Si-H addition'19965,543,479'Process for the production of polyisoolefins'19965,539,065'Process for the production of C.sub.4 -C.sub.16 alkyl rubbers using the slurry process'19965,247,036'Non-crosslinked polymers, containing reactive double bonds, of fluorinated monomers and alkenyl (iso)-cyanurates'19935,214,115'Uncrosslinked copolymers containing reactive double bonds of fluorine monomers and unconjugated dienes and a process for their production'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2005Patents assigned to BAYER AG (14)· patent assignee history
1993–1996Based in Kuerten-Biesfeld, DE· patent location history
1996Based in K urten, DE· patent location history
1997–2008Based in Kurten, DE· patent location history
2003–2004Based in Krten, DE· patent location history
2007–2008Patents assigned to LANXESS INC (3)· patent assignee history
2013Patents assigned to BAECKER WERNER (1)· patent assignee history
2013Patents assigned to BAHNMULER STEPHAN (1)· patent assignee history
2013Patents assigned to BAYER MATERIALSCIENCE AG (1)· patent assignee history
2013Based in Kuerten, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 14 | 1993–2005 |
| LANXESS INC | 3 | 2007–2008 |
| BAECKER WERNER | 1 | 2013 |
| BAHNMULER STEPHAN | 1 | 2013 |
| BAYER MATERIALSCIENCE AG | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kurten, DE | 7 | 1997–2008 |
| Krten, DE | 3 | 2003–2004 |
| K urten, DE | 3 | 1996 |
| Kuerten-Biesfeld, DE | 3 | 1993–1996 |
| Kuerten, DE | 1 | 2013 |