Inventor
Walter Kamutzki
Inventor
Dieburg, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions50%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials17%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
PatentTitleYear
5,567,272'Process for recycling silicone-coated paper'19965,518,585'Neutral sizing agent for base paper stuff with the use of cationic plastics dispersions'19965,019,606'Aqueous solutions of polyamidoamine-epichlorohydrin resins, and preparation and use thereof'19914,977,239'Polybase from amino amido carboxylic acid, polyamine and difunctional alkylating agent'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to CASSELLA FARBWERKE MAINKUR AG (1)· patent assignee history
1990–1996Based in Dieburg, DE· patent location history
1991–1996Patents assigned to HOECHST AG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 3 | 1991–1996 |
| CASSELLA FARBWERKE MAINKUR AG | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dieburg, DE | 4 | 1990–1996 |