| Patent | Date |
|---|
Hair dye compositions based on 2,5-diamino-6-nitropyridine derivatives
Grant 5,145,482 - Clausen , et al. * September 8, 1 | 1992-09-08 |
Oxidative hair dye composition based on a gel vehicle and a process to dye hair
Grant 5,021,066 - Aeby , et al. June 4, 1 | 1991-06-04 |
Cosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxybutyl-chitosans as well as processes for the production thereof
Grant 4,931,271 - Lang , et al. June 5, 1 | 1990-06-05 |
4-(N-ethyl-N-2-hydroxyethyl)-amino-1-(2 hydroxyethyl)-amino-2-nitrobenzene and compositions for dyeing hair containing the same
Grant 4,921,504 - Clausen , et al. May 1, 1 | 1990-05-01 |
Process for making quaternary chitosan derivatives for cosmetic agents
Grant 4,921,949 - Lang , et al. May 1, 1 | 1990-05-01 |
Composition and method for the oxidative dyeing of hair
Grant 4,883,656 - Konrad , et al. November 28, 1 | 1989-11-28 |
Hair treating compositions and processes for improving the condition of hair
Grant 4,855,130 - Konrad , et al. August 8, 1 | 1989-08-08 |
Cosmetic compositions on the basis of alkyl-hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and processes for the production thereof
Grant 4,845,204 - Lang , et al. July 4, 1 | 1989-07-04 |
Agent for dyeing hair
Grant 4,840,639 - Husemeyer , et al. June 20, 1 | 1989-06-20 |
Cosmetic agent on the basis of quaternary chitosan derivatives, novel quaternary chitosan derivatives as well as processes for making same
Grant 4,822,598 - Lang , et al. * April 18, 1 | 1989-04-18 |
Cosmetic compositions based upon N-hydroxypropyl-chitosans, new N-hyroxypropyl-chitosans, as well as processes for the production thereof
Grant 4,780,310 - Lang , et al. October 25, 1 | 1988-10-25 |
Quaternary hydroxy-propyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof
Grant 4,772,689 - Lang , et al. September 20, 1 | 1988-09-20 |
Quaternary hydroxyethyl-substituted chitosan derivatives, cosmetic compositions based thereon and processes for the production thereof
Grant 4,772,690 - Lang , et al. September 20, 1 | 1988-09-20 |
Hair treatment agent and method for improving the conditon of hair
Grant 4,752,467 - Konrad , et al. June 21, 1 | 1988-06-21 |
Oxidative hair dyeing composition based upon a carrier of low viscosity
Grant 4,725,282 - Hoch , et al. February 16, 1 | 1988-02-16 |
Process for the permanent shaping of the regrowth of hair and composition therefore
Grant 4,660,580 - Hoch , et al. April 28, 1 | 1987-04-28 |
Acid tenside-anion solution of chitosan and its use in cosmetic preparations
Grant 4,603,048 - Konrad , et al. July 29, 1 | 1986-07-29 |
Cosmetic composition based upon chitosan derivatives, new chitosan derivatives as well as processes for the production thereof
Grant 4,528,283 - Lang , et al. July 9, 1 | 1985-07-09 |
Method for the coloring of hair
Grant 4,396,392 - Konrad , et al. August 2, 1 | 1983-08-02 |
Hair dyeing composition and process
Grant 4,321,053 - Konrad , et al. March 23, 1 | 1982-03-23 |
Hair shampoo and conditioning lotion
Grant 4,202,881 - Gross , et al. May 13, 1 | 1980-05-13 |
Hair setting lotion containing a chitosan derivative
Grant 4,134,412 - Gross , et al. January 16, 1 | 1979-01-16 |
Reducing the alkali concentration in hair treating compositions
Grant 3,975,515 - Wajaroff , et al. August 17, 1 | 1976-08-17 |
Process for permanently shaping hair
Grant 3,964,499 - Wajaroff , et al. June 22, 1 | 1976-06-22 |
Permanent wave composition for hair and process of using it
Grant 3,910,289 - Wajaroff , et al. October 7, 1 | 1975-10-07 |
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