Inventor · disambiguated record
Karl-Heinz Keil
Also filed as: KEIL KARL · KEIL KARL-HEINZ · RIBKA JOACHIM
33 granted patents·383 citations·filing 1974–2022
97Inventor score
Files withCASSELLA FARBWERKE MAINKUR AG20HOECHST AG10ARNOLD & RICHTER CINETECH1CASSELLA AG1CLARIANT GMBH1
Top patents by PatentIndex Score
33 records- 0196US4547429AEncapsulated salts of acid particles wherein the salt particles are surrounded by a polyurethane/polyurea casingCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Oct 15, 1985·78 cites·6 claims
- 0281US4588413AProcess for producing dyeings with reactive dyestuffsCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted May 13, 1986·23 cites·10 claims
- 0379US4576973ACopolymer, process for its preparation and its use as a sorbentCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Mar 18, 1986·26 cites·5 claims
- 0478US4198204AShort liquor dyeing process for piece goods, made from cellulose fibers, in rope formHOECHST AG·Filed 1977·Granted Apr 15, 1980·11 cites·25 claims
- 0577US4988365AProcess for the dyeing and printing of cellulose fibers in the absence of alkali or reducing agents: pre treatment with modified amineHOECHST AG·Filed 1989·Granted Jan 29, 1991·21 cites·6 claims
- 0676US4552905ACopolymer, a process for its preparation and its use as a sorbentCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Nov 12, 1985·18 cites·11 claims
- 0773US5530093APolycondensates containing phosphinic and phosphonic acid groupsCASSELLA FARBWERKE MAINKUR AG·Filed 1995·Granted Jun 25, 1996·27 cites·15 claims
- 0873US4153561AConditioning agentHOECHST AG·Filed 1977·Granted May 8, 1979·17 cites·2 claims
- 0971US4810254AWet-fastness properties of sulphur dyestuffs dyeings on cellulose treated with poly-di-allyl-ammonium saltCASSELLA FARBWERKE MAINKUR AG·Filed 1988·Granted Mar 7, 1989·17 cites·17 claims
- 1067US4806126AProcess for alkali-free dyeing and printing with reactive dyesHOECHST AG·Filed 1988·Granted Feb 21, 1989·25 cites·7 claims
- 1166US12126898B2Control device for a motion picture camera and control methodARNOLD & RICHTER CINETECH·Filed 2022·Granted Oct 22, 2024·0 cites·17 claims
- 1263US4753999ACopolymer, process for its preparation, and its useCASSELLA FARBWERKE MAINKUR AG·Filed 1987·Granted Jun 28, 1988·12 cites·12 claims
- 1360US6028192AProcess for the preparation of diacylimidesCLARIANT GMBH·Filed 1998·Granted Feb 22, 2000·8 cites·11 claims
- 1455US4300903APadding auxiliaries and processes for dyeing cellulose fibers or mixtures of cellulose fibers and synthetic fibers with sulphur dyestuffs, sulphur vat dyestuffs, vat dyestuffs and reactive dyestuffsCASSELLA FARBWERKE MAINKUR AG·Filed 1980·Granted Nov 17, 1981·8 cites·11 claims
- 1554US5006129ADyeing textile material with pigment dyes: pre-treatment with quaternary ally ammonium salt polymerHOECHST AG·Filed 1989·Granted Apr 9, 1991·8 cites·14 claims
- 1652US4608277AEncapsulated salts of sparing solubility in water, their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1985·Granted Aug 26, 1986·11 cites·8 claims
- 1750US4271073A6-Substituted-9-(2-hydroxyethyl)-1,2,3,4-tetrahydro carbazol-1-oneCASSELLA FARBWERKE MAINKUR AG·Filed 1979·Granted Jun 2, 1981·2 cites·3 claims
- 1849US4043984AAminoplasts elasticized with benzoic acid estersCASSELLA FARBWERKE MAINKUR AG·Filed 1975·Granted Aug 23, 1977·6 cites·7 claims
- 1948US5100673AMicroencapsulation of biologically active materialHOECHST AG·Filed 1990·Granted Mar 31, 1992·16 cites·19 claims
- 2045US4399043AFabric softenerHOECHST AG·Filed 1982·Granted Aug 16, 1983·9 cites·3 claims
- 2144US3999942AN-Acyloyl-N-alkyl-alkylenediamines as dye levelersCASSELLA FARBWERKE MAINKUR AG·Filed 1975·Granted Dec 28, 1976·3 cites·5 claims
- 2242US5144040AProcess for the preparation of 1-(acylaminoalkyl)-2-imidazolines substituted in the 2 positionCASSELLA FARBWERKE MAINKUR AG·Filed 1989·Granted Sep 1, 1992·2 cites·15 claims
- 2342US5041553AProcess for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolinesCASSELLA FARBWERKE MAINKUR AG·Filed 1990·Granted Aug 20, 1991·3 cites·9 claims
- 2442US3993437AProcess for the dyeing of polyamide fibers with sulphur dyestuffsCASSELLA FARBWERKE MAINKUR AG·Filed 1974·Granted Nov 23, 1976·4 cites·18 claims
- 2541US5230711ADyeing of cellulose with soluble sulphur dyes without reducing agentCASSELLA AG·Filed 1992·Granted Jul 27, 1993·6 cites·20 claims
- 2638US4686243ACopolymer, a process for its preparation and its use as enzyme supportsHOECHST AG·Filed 1986·Granted Aug 11, 1987·4 cites·4 claims
- 2736US4977239APolybase from amino amido carboxylic acid, polyamine and difunctional alkylating agentCASSELLA FARBWERKE MAINKUR AG·Filed 1989·Granted Dec 11, 1990·3 cites·13 claims
- 2834US5389280AStable and homogeneous aqueous formulations of surfactantsHOECHST AG·Filed 1992·Granted Feb 14, 1995·4 cites·20 claims
- 2931US4310355AInternal release agent for thermosetting aminoplast resinsCASSELLA FARBWERKE MAINKUR AG·Filed 1980·Granted Jan 12, 1982·4 cites·8 claims
- 3031US4289665AProcess for the preparation of aqueous emulsions, stable in storage, of N.alkyl-N-alkylol-ureas and their application for the softening of leatherCASSELLA FARBWERKE MAINKUR AG·Filed 1979·Granted Sep 15, 1981·2 cites·11 claims
- 3130US5492995APolycondensates containing phosphinic or phosphonic acid groups and siloxane groupsHOECHST AG·Filed 1995·Granted Feb 20, 1996·2 cites·17 claims
- 3230US4488974ASoftener emulsion, a process for its preparation, and its applicationCASSELLA FARBWERKE MAINKUR AG·Filed 1983·Granted Dec 18, 1984·2 cites·10 claims
- 3329US4149979AConditioning and water-repellent agents for cellulose-containing textiles and leatherCASSELLA FARBWERKE MAINKUR AG·Filed 1978·Granted Apr 17, 1979·1 cites·16 claims
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