Inventor · disambiguated record
Guenther Lang
Also filed as: LANG GUEENTHER · LANG GUENTHER
13 granted patents·1 pending application·187 citations·filing 1982–2005
92Inventor score
Top patents by PatentIndex Score
14 records- 0183US6482808B1Use of reductive compounds for strengthening and improving the structure of materials containing keratinWELLA AG·Filed 2000·Granted Nov 19, 2002·19 cites·18 claims
- 0278US5961999AMethod of skin care using a skin care preparation containing a betaine ester and an α-hydroxy acidWELLA AG·Filed 1998·Granted Oct 5, 1999·53 cites·9 claims
- 0365US7341715B2Method and agents on the basis of 2-mercaptopropionic acid amides for durable hair forming and a method for producing sameWELLA AG·Filed 2001·Granted Mar 11, 2008·3 cites·8 claims
- 0460US6399051B2Method and agents for permanently styling hair, with a base consisting of N,N-disubstituted mercaptoacetamidesWELLA AG·Filed 1998·Granted Jun 4, 2002·23 cites·4 claims
- 0553US4603048AAcid tenside-anion solution of chitosan and its use in cosmetic preparationsWELLA AG·Filed 1982·Granted Jul 29, 1986·17 cites·3 claims
- 0652US5637295AMethods and compositions for permanent shaping of hairWELLA AG·Filed 1995·Granted Jun 10, 1997·19 cites·6 claims
- 0749US5679332AHair keratin-reducing cysteine esters and compositions for permanent shaping of hair based on sameWELLA AG·Filed 1995·Granted Oct 21, 1997·11 cites·17 claims
- 0845US4938950ACosmetic composition based upon chitosan and ampholytic copolymerizates, as well as new chitosan/polyampholyte saltsWELLA AG·Filed 1987·Granted Jul 3, 1990·11 cites·10 claims
- 0943US5985253AHair shaping compositions containing mercaptoethylamines and methods for the permanent shaping of hair using sameWELLA AG·Filed 1998·Granted Nov 16, 1999·10 cites·11 claims
- 1040US5503826AHair keratin-reducing mono, di- and triglycerides of cysteine and compositionsWELLA AG·Filed 1994·Granted Apr 2, 1996·8 cites·12 claims
- 1140US2005226838A1Hair treatment compositions containing N-hydroxy-alkyl-O-benzyl chitosans and methods of using sameKRAUSE THOMAS·Filed 2005·Application pending·0 cites
- 1238US6153180AAgent and method for permanently shaping the hair, based on n-branched-chain alkyl-substituted mercapto acetamides and process for their preparationWELLA AG·Filed 1997·Granted Nov 28, 2000·5 cites·10 claims
- 1335US6153196AUse of flower wax in liquid hair-treatment agentsWELLA AG·Filed 1997·Granted Nov 28, 2000·7 cites·7 claims
- 1431US6153178AAgent and process for permanent hair wave based on mercaptoacetamidesWELLA AG·Filed 1997·Granted Nov 28, 2000·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →