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Cosmetic composition containing a cationic polymer and divalent metal salt for strengthening the hair
Patent #: 3958581
Issued on: 05/25/1976
Inventor: Abegg , et al.
Hair dressing compositions containing a hair substantive quaternary resin
Patent #: 3959463
Issued on: 05/25/1976
Inventor: Nersesian , et al.
Process and composition for treating hair
Patent #: 4148329
Issued on: 04/10/1979
Inventor: Jaskowski
Hair conditioning waving and straightening compositions and methods
Patent #: 4175572
Issued on: 11/27/1979
Inventor: Hsiung , et al.
Treating hair with cosmetic formulations containing polypeptides
Patent #: 4186188
Issued on: 01/29/1980
Inventor: Gumprecht
Stable hair relaxer
Patent #: 4237910
Issued on: 12/09/1980
Inventor: Khahil , et al.
Thixotropic hair conditioner composition
Patent #: 4269824
Issued on: 05/26/1981
Inventor: Villamarin , et al.
Keratin hydrolyzate useful as hair fixatives
Patent #: 4279996
Issued on: 07/21/1981
Inventor: Yoshioka , et al.
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Hair straightening process and hair curling process and compositions therefor
Patent #: 4304244
Issued on: 12/08/1981
Inventor: de la Guardia
Hair straightening process and hair curling process and compositions therefor
Patent #: 4324263
Issued on: 04/13/1982
Inventor: de la Guardia
Hair treatment cosmetics containing cationic keratin derivatives
Patent #: 4369037
Issued on: 01/18/1983
Inventor: Matsunaga , et al.
Hair straightening process and hair curling process and compositions therefor
Patent #: 4373540
Issued on: 02/15/1983
Inventor: de la Guardia
Stable hair relaxer
Patent #: 4390033
Issued on: 06/28/1983
Inventor: Khalil , et al.
Hair waving or straightening process and product
Patent #: 4416297
Issued on: 11/22/1983
Inventor: Wolfram , et al.
Liquid detergent composition with a cationic foam stabilizing copolymer containing pendant quaternary nitrogen groups and pendant hydrophobic groups
Patent #: 4454060
Issued on: 06/12/1984
Inventor: Lai , et al.
Method of conditioning hair
Patent #: 4494557
Issued on: 01/22/1985
Inventor: Nagel
Hair conditioning composition and method for use
Patent #: 4507280
Issued on: 03/26/1985
Inventor: Pohl , et al.
Hair conditioning composition and process
Patent #: 4529586
Issued on: 07/16/1985
Inventor: De Marco , et al.
Cleaning product for the hair and skin, based on acylisethionates, cationic polymers and salts of fatty acid/polypeptide condensates
Patent #: 4540507
Issued on: 09/10/1985
Inventor: Grollier
Pre-shampoo normalizer for a hair straightening system
Patent #: 4602648
Issued on: 07/29/1986
Inventor: Syed , et al.
Cosmetic compositions which contain bis-(quaternary ammonium) derivatives with two lipophilic chains and certain said derivatives
Patent #: 4612188
Issued on: 09/16/1986
Inventor: Zorayan , et al.
Hair conditioning composition containing cationic polymer and amphoteric surfactant and method for use
Patent #: 4663158
Issued on: 05/05/1987
Inventor: Wolfram , et al.
Cosmetic composition containing cationic polymers and anionic latexes
Patent #: 4710374
Issued on: 12/01/1987
Inventor: Grollier , et al.
Cosmetic compositions based on cationic polymers and alkyloxazoline polymers
Patent #: 4867966
Issued on: 09/19/1989
Inventor: Grollier , et al.
Aqueous delayed-foaming cosmetic composition for hair and skin treatment
Patent #: 4871530
Issued on: 10/03/1989
Inventor: Grollier , et al.
Rearranger process and composition for permanent waving process
Patent #: 4883657
Issued on: 11/28/1989
Inventor: Williams, et al.
Permanent waving process and compositions
Patent #: 4996997
Issued on: 03/05/1991
Inventor: Williams, et al.
Hair relaxer cream
Patent #: 5171565
Issued on: 12/15/1992
Inventor: Akhtar, et al.
Hair relaxer and post-relaxer hair brightener system
Patent #: 5293885
Issued on: 03/15/1994
Inventor: Darkwa, et al.
Hair relaxer composition and associated methods
Patent #: 5304370
Issued on: 04/19/1994
Inventor: Hawkins, et al.
Hair waving and straightening composition Patent #: 5338540
Issued on: 08/16/1994
Inventor: Lee, et al.
March 9, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
