Rainer Kropke
24Patents
7h-index
33Co-inventors
69Inventor score
Filing activity: Jun 1, 1995 → May 15, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7235251B2 | Cosmetic or dermatological oil/water emulsions with reduced lipid content | Human Necessities | 95 | Expired |
| US6793929B2 | Preparations of the w/o emulsion type with an increased water content, comprising moderately polar lipids and silicone emulsifiers and, if desired, cationic polymers | Human Necessities | 29 | Expired |
| US5876702A | Cosmetic and dermatological light protection formulations in the form of O/W macroemulsions, O/W microemulsions or O/W/O emulsions | Chemistry; Metallurgy | 15 | Expired |
| US6383503B1 | PREPARATIONS OF THE W/O EMULSION TYPE WITH AN INCREASED WATER CONTENT, ADDITIONALLY COMPRISING ONE OR MORE ALKYLMETHICONE COPOLYOLS AND/OR ALKYLDIMETHICONE COPOLYOLS, AND, IF DESIRED, CATIONIC POLYMERS | Human Necessities | 15 | Expired |
| US6620420B2 | Gel creams in the form of O/W emulsions containing one or more ammonium acryloyldimethyltaurate/vinylpyrrolidone copolymers | Human Necessities | 14 | Expired |
| US6821934B1 | Flowable preparations of the water-in-oil emulsion type having an increased water content | Human Necessities | 14 | Expired |
| US6649577B1 | Flowable preparations of the W/O emulsion type with an increased water content | Human Necessities | 12 | Expired |
| US6022530A | Stable cosmetic and dermatological light-protecting preparations in the form of water/oil emulsions containing inorganic micro-pigments, derivatives of triazine and/or other components | Human Necessities | 5 | Expired |
| US5639797A | Water-in-oil emulsions containing water-soluble alkyl glycosides | Human Necessities | 5 | Expired |
| US8779007B2 | Preparation containing diol | Human Necessities | 4 | Active |
| US7138128B2 | Preparations of the W/O emulsion type with an increased water content, and comprising cationic polymers | Chemistry; Metallurgy | 3 | Expired |
| US6936265B2 | PREPARATIONS OF THE W/O EMULSION TYPE WITH AN INCREASED WATER CONTENT BASED ON LOW-VISCOSITY, READILY SPREADABLE LIPID COMPONENTS, ADDITIONALLY COMPRISING ONE OR MORE ALKYLMETHICONE COPOLYOLS AND/OR ALKYLDIMETHICONE COPOLYOLS | Human Necessities | 3 | Expired |
| US6391319B1 | Cosmetic and dermatological emulsions comprising alkyl glucosides and increased electrolyte concentrations | Human Necessities | 2 | Expired |
| US6653397B2 | PREPARATIONS OF THE W/O EMULSION TYPE WITH AN INCREASED WATER CONTENT, COMPRISING MODERATELY POLAR AND/OR NONPOLAR LIPIDS AND ONE OR MORE INTERFACE-ACTIVE POLYETHERS OF THE A-O-B-O-A TYPE, AND COMPRISING AT LEAST ONE SUBSTANCE CHOSEN FROM THE GROUP OF CATIONIC POLYMERS | Human Necessities | 1 | Expired |
| US5968483A | Cosmetic and dermatological light protection formulations having a content of triazine derivatives and glyceryl compounds | Human Necessities | 1 | Expired |
| US5961959A | Cosmetic and dermatological light protection formulations having a content of triazine derivatives and monoesters and diesters of branched alkanecarboxylic acids and diglycerol or triglycerol | Human Necessities | 1 | Expired |
| US6180090A | Use of polysaccharides for improving the light protection effect of cosmetic or dermatological light protection compositions | Human Necessities | 1 | Expired |
| US6815453B1 | Cosmetic and dermatological light protection formulations having a content of triazine derivatives and glyceryl compounds | Human Necessities | 0 | Expired |
| US7906151B2 | Cosmetic preparation containing a stabilized preservative | Human Necessities | 0 | Active |
| US12396933B2 | Sunscreen composition | Human Necessities | 0 | Active |
| US6770269B1 | Cosmetic and dermatological light-protective formulations containing triazine derivatives and one or several esters of unbranched-chain carboxylic acids and branched-chain alcohols | Human Necessities | 0 | Expired |
| US6703001B1 | Cosmetic and dermatological light-protective formulations containing triazine derivatives one or several esters of branched-chain carboxylic acids and branched-chain alcohols | Human Necessities | 0 | Expired |
| US6080388A | Cosmetic and dermatological sunscreen formulations containing triazine derivatives and alkane carboxylic acids | Human Necessities | 0 | Expired |
| US11497942B2 | Cosmetic or dermatological preparation comprising a combination of a dye and an anti-inflammatory active ingredient | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.