Helmut Klimmek
21Patents
14h-index
14Co-inventors
74Inventor score
Filing activity: Jan 4, 1984 → Feb 25, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5580941A | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof | Textiles; Paper | 94 | Expired |
| US5610220A | 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 | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5830956A | Biodegradable copolymers, methods of producing them and their use | Chemistry; Metallurgy | 63 | Expired |
| US5854321A | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof | Textiles; Paper | 55 | Expired |
| US5736595A | Polymer composition, absorbent material composition, their production and their use | Chemistry; Metallurgy | 46 | Expired |
| US5854191A | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof | Textiles; Paper | 40 | Expired |
| US5760154A | Graft copolymers of unsaturated monomers and polyhydroxy compounds, a process for their production and their use | Textiles; Paper | 38 | Expired |
| US6207780A | Interpolymers of unsaturated carboxylic acids and unsaturated sulfur acids | Textiles; Paper | 37 | Expired |
| US5847031A | Polymer composition, absorbent composition, their production and use | Chemistry; Metallurgy | 32 | Expired |
| US5783616A | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof | Textiles; Paper | 25 | Expired |
| US5340853A | 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 | Human Necessities | 25 | Expired |
| US5847065A | Dispersions of graft copolymers of unsaturated monomers and sugars | Textiles; Paper | 21 | Expired |
| US5721295A | Polymer composition, absorbent composition, their production and use | Chemistry; Metallurgy | 18 | Expired |
| US4670416A | Nickel-based catalyst, its preparation and its application | Performing Operations; Transporting | 16 | Expired |
| US6350710B1 | Absorbent inserts, method of producing them and their use | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5443631A | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Textiles; Paper | 5 | Expired |
| US5482636A | Process for the quaternization of triethanolamine fatty acid esters and imidazolinamides and the use of the reaction mixtures in laundry softener compositions | Textiles; Paper | 4 | Expired |
| US4666635A | Nickel-based catalyst, its preparation and its application | Performing Operations; Transporting | 4 | Expired |
| US4897225A | Process for the preparation of room temperature flowable derivatives of natural fats and oils and their use | Chemistry; Metallurgy | 3 | Expired |
| US5391784A | Liquid or flowable derivatives of natural fats and oils a process for their production and their use | Chemistry; Metallurgy | 2 | Expired |
| US4975090A | Process for the preparation of room temperature flowable derivatives of natural fats and oils and their use | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.