Inventor
Dietmar Bischoff
Inventor
Marktbreit, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds29%
C04BLime, magnesia14%
D21HPulp compositions14%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like14%
PatentTitleYear
8,221,831'Materials for travelled surfaces'20125,116,967'Method of manufacturing an adjustable-viscosity cationic starch'19925,001,191'Process for dry cationization of polyvinyl alcohol'19914,940,785'Method of preparing cellulose ethers containing tertiary or quaternary nitrogen'19904,822,851'Process for the preparation of cationized polyvinyl alcohol'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to DEGUSSA (4)· patent assignee history
1989–1991Based in Alzenau, DE· patent location history
1990–1992Based in Marktbreit, DE· patent location history
2012Patents assigned to BISCHOFF DIETMAR (1)· patent assignee history
2012Patents assigned to ENVIROBOND PRODUCTS CORP (1)· patent assignee history
2012Patents assigned to RIEHM MICHAEL (1)· patent assignee history
2012Patents assigned to SALUMBO AMILCAR (1)· patent assignee history
2012Based in Kitchener, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 4 | 1989–1992 |
| BISCHOFF DIETMARself | 1 | 2012 |
| ENVIROBOND PRODUCTS CORP | 1 | 2012 |
| RIEHM MICHAEL | 1 | 2012 |
| SALUMBO AMILCAR | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marktbreit, DE | 2 | 1990–1992 |
| Alzenau, DE | 2 | 1989–1991 |
| Kitchener, CA | 1 | 2012 |