Inventor
Ralph Ostarek
Inventor
Duesseldorf, DE
Overview
Patents· 9 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 bonds43%
C08LCompositions of macromolecular compounds21%
C08JWorking-up14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C09JAdhesives7%
PatentTitleYear
6,417,256'Polycarbonate-ABS moulding materials'20026,239,225'Process for the manufacture of impact resistant modified polymers'20016,034,169'Mixtures of aqueous polymer dispersions'20005,981,644'Method of producing ABS moulding compositions'19995,266,642'Process for the preparation of alpha-methylstyrene polymers'19935,225,465'Process for working up stabilized ABS polymers with recovery of unreacted monomers'19935,112,910'Mixtures of thermoplastic polymers in powder form'19924,801,669'Process for the quasi-ionic polymerization of acrylic acid derivatives'19894,626,579'Process for the quasi-ionic polymerization of acrylic acid derivatives'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2002Patents assigned to BAYER AG (9)· patent assignee history
1986Based in Ebsdorfergrund, DE· patent location history
1989Based in Leichlingen, DE· patent location history
1992–1999Based in Dusseldorf, DE· patent location history
1993–2000Based in Duesseldorf, DE· patent location history
2001–2002Based in Longmeadow, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 9 | 1986–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duesseldorf, DE | 3 | 1993–2000 |
| Longmeadow, Massachusetts, US | 2 | 2001–2002 |
| Dusseldorf, DE | 2 | 1992–1999 |
| Leichlingen, DE | 1 | 1989 |
| Ebsdorfergrund, DE | 1 | 1986 |