Inventor
Helmut Klimmek
Inventor
Krefeld, DE
Overview
Patents· 21 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 bonds11%
C11DDetergent compositions11%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing11%
C08LCompositions of macromolecular compounds9%
D06PDyeing or printing textiles9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
A61LMethods or apparatus for sterilising materials or objects in general5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials4%
C07CAcyclic or carbocyclic compounds3%
PatentTitleYear
6,350,710'Absorbent inserts, method of producing them and their use'20026,207,780'Interpolymers of unsaturated carboxylic acids and unsaturated sulfur acids'20015,854,191'Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof'19985,854,321'Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof'19985,847,031'Polymer composition, absorbent composition, their production and use'19985,847,065'Dispersions of graft copolymers of unsaturated monomers and sugars'19985,830,956'Biodegradable copolymers, methods of producing them and their use'19985,783,616'Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof'19985,760,154'Graft copolymers of unsaturated monomers and polyhydroxy compounds, a process for their production and their use'19985,736,595'Polymer composition, absorbent material composition, their production and their use'19985,721,295'Polymer composition, absorbent composition, their production and use'19985,610,220'Powder-form polymers which absorb, even under pressure, aqueous liquids and blood, a method of producing them and their use in textile articles for body-hygiene applications'19975,580,941'Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof'19965,482,636'Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions'19965,443,631'Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions'19955,391,784'Liquid or flowable derivatives of natural fats and oils a process for their production and their use'19955,340,853'Polymer-based swelling and absorbing agents with an improved degradability and an improved absorption for water, aqueous solutions and body liquids and the use of said agents for the production of hygienic articles and for soil conditioning'19944,975,090'Process for the preparation of room temperature flowable derivatives of natural fats and oils and their use'19904,897,225'Process for the preparation of room temperature flowable derivatives of natural fats and oils and their use'19904,670,416'Nickel-based catalyst, its preparation and its application'19874,666,635'Nickel-based catalyst, its preparation and its application'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to OCTROPA BV (2)· patent assignee history
1987Based in Emmerich, DE· patent location history
1990–2002Patents assigned to STOCKHAUSEN CHEM FAB GMBH (16)· patent assignee history
1990–2002Based in Krefeld, DE· patent location history
1994Based in Krefled, DE· patent location history
1995–1996Patents assigned to HUELS CHEMISCHE WERKE AG (2)· patent assignee history
2001Patents assigned to ROHM & HAAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STOCKHAUSEN CHEM FAB GMBH | 16 | 1990–2002 |
| HUELS CHEMISCHE WERKE AG | 2 | 1995–1996 |
| OCTROPA BV | 2 | 1987 |
| ROHM & HAAS | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Krefeld, DE | 18 | 1990–2002 |
| Emmerich, DE | 2 | 1987 |
| Krefled, DE | 1 | 1994 |