Inventor
Horst Zwick
Inventor
Dormagen, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C08LCompositions of macromolecular compounds10%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties10%
D21HPulp compositions10%
PatentTitleYear
10,457,775Method for producing high molecular weight polyoxyalkylene polyols201910,208,162Method for the production of polyether carbonate polyols and device therefor20199,139,691'Process for preparing high molecular weight polyether polyols'20156,576,687'Wet-strength agent with low DCP content'20036,486,361'Method for preparing polyether polyols'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to BAYER AG (2)· patent assignee history
2002–2019Based in Dormagen, DE· patent location history
2015Patents assigned to BAYER IP GMBH (1)· patent assignee history
2015Patents assigned to BROWNE EDWARD (1)· patent assignee history
2015Patents assigned to Hofmann Jörg (1)· patent assignee history
2019Patents assigned to COVESTRO DEUTSCHLAND AG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 2 | 2002–2003 |
| COVESTRO DEUTSCHLAND AG | 2 | 2019 |
| BAYER IP GMBH | 1 | 2015 |
| BROWNE EDWARD | 1 | 2015 |
| Hofmann Jörg | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dormagen, DE | 5 | 2002–2019 |