Hans Schwarzkopf GmbH & Co. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 2253

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6916343 Method for coloring hairAug 22, 00Jul 12, 05[A11K]
6730290 Aerosol sprayAug 26, 02May 04, 04[A61K]
5230710 Substituted 2,6-diaminotoluenes, processes for their preparation and coloring agents for keratinic fibers comprising these compoundsSep 30, 92Jul 27, 93[A61K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6772576 Method for filling a tube and corresponding deviceExpiredOct 31, 02Aug 10, 04[B65B]
6485528 Agents for treating keratin fibersExpiredOct 10, 00Nov 26, 02[A61K]
2001/0052,156 DYESAbandonedFeb 03, 99Dec 20, 01[A61K]
6024768 Diaminoalkane and oxidation colorantsExpiredDec 30, 98Feb 15, 00[A61K, C07C]
5990355 Substituted diaminophenols, process for their preparation, and hair dyes containing such compoundsExpiredOct 03, 97Nov 23, 99[C07C]
5961668 4-(2,4-diaminophenoxymethyl)-1,3-dioxolane secondary intermediates, processes for their production, and hair colorantsExpiredMay 13, 98Oct 05, 99[A61K, C07D]
5676706 Substituted diaminophenols, and hair dyes containing such compoundsExpiredOct 25, 95Oct 14, 97[A61K, C07C]
5163970 Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibresExpiredAug 16, 91Nov 17, 92[A61K]
5091581 Process for the selective preparation of N-substituted 1,4-diamino-2-nitrobenzenesExpiredMay 07, 90Feb 25, 92[C07C]
5078748 Substituted 1,3-diaminobenzenes, processes for their preparation and coloring agents, containing these, for keratin fibersExpiredFeb 08, 91Jan 07, 92[A61K]
5067967 Nitro-p-phenylenediamine derivatives, processes for their preparation and coloring agents containing these for use on keratin fibresExpiredApr 25, 90Nov 26, 91[A61K, C07C]
4844711 Hair colorants and methods of coloring hairExpiredJan 12, 88Jul 04, 89[A61K]
4575378 Substituted 4-amino-3-nitrophenols, processes for their preparation and hair-coloring agents containing these compoundsExpiredJan 19, 84Mar 11, 86[A61K, C07C]
4466838 Pressurized carrier mixture for aerosol preparationsExpiredMay 31, 83Aug 21, 84[C08K]
4322037 Aerosol can, having a super-fine atomization valve, with a filling which contains a propellant, process for its manufacture, and its useExpiredNov 14, 79Mar 30, 82[B05B, B65D]
4243548 Pressurized aerosol formulation and process for the manufacture thereofExpiredNov 27, 78Jan 06, 81[C09K, B65B]

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