PROCESS FOR IMPROVING THE DURABILITY AND QUALITY OF A HAIR SET AND NEW PRODUCTS FOR CARRYING OUT THIS PROCESS

• US 3,840,656 A
• Filed: 04/07/1970
• Issued: 10/08/1974
• Est. Priority Date: 10/05/1965
• Status: Expired due to Term

• Current Assignee: Kalopissis G, Roussopoulos P, Zviak C
• Original Assignee: Kalopissis G, Roussopoulos P, Zviak C
• Inventors: KALOPISSIS G, ROUSSOPOULOS P, ZVIAK C
• Application Number:
  US05/024,417
• Time in Patent Office: 1,645 Days
• US Class Current: 424/47
• CPC Class Codes: A61K 2800/59 Mixtures
• CPC Class Codes: A61K 8/46 containing sulfur A61K8/44 takes precedence
• CPC Class Codes: A61Q 5/04 Preparations for permanent waving or straightening the hair

Abstract

1. A METHOD OF TREATING UNCONSTRAINED HAIR IN A HAIR TREATING PROCESS TO IMPROVE AND PROLONG ITS SETTING PROPERTIES WITHOUT IMPARTING ANY PERMANENT DEFORMATION TO THE SAME COMPRISING THE STEPS OF FIRST APPLYING TO THE UNCONSTRAINED HAIR AN EFFECTIVE AMOUNT OF A COMPOSITON CONTAINING, IN AQUEOUS MEDIA, A THIOL REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, THIOGLYCEROLL, GLYCOL THIOGLYCOLATE, GLYCEROL THIOGLYCOLATE, GLYCOL THIOLACTATE, B-MERCAPTO-ETHANOL, N-CARBOXYMETHYLMERCAPTO-ACETAMIDE, THIOLACTIC ACID AND B-MERCAPTOPROPIONIC ACID AND AN OXIDATION AGENT SELECTED FROM THE GROUP CONSISTING OF THE DISULFIDES OF THE FOLLOWING THIOLS; THIOGLYCOLIC ACID, THIOGLYCEROL, GLYCOL THIOGLYCOLATE, GLYCEROL THIOLGLYCOLATE, GLYCOL THIOLACTATE, B-MERCAPTO-ETHANOL, N-CAROXYMETHYL-MERCAPTO-ACETATMIDE, THIOLACTIC ACID AND B-MERCAPTOPROPIONIC ACID, THE MOLAR RATIO OF THE OXIDIZING AGENT TO SAID REDUCING AGENT BEING AT LEAST 1.5:1 AND UP TO 20:1, WITH THE AMOUNT OF REDUCING AGENT IN THE COMPOSITION BEING ABOUT 0.01-0.5 MOLE PER LITER AND THE AMOUNT OF OXIDIZING AGENT BEING ABOUT 0.015-10 MOLE PER LITER, SAID COMPOSITION HAVING A PH OF ABOUT 9-10, ALLOWING THE COMPOSITION TO REMAIN IN CONTACT WITH THE UNCONSTRAINED HAIR FOR ABOUT 1 TO 15 MINUTES AND THEREAFTER RINSING AND DRYING THE HAIR.

Claims

1. A METHOD OF TREATING UNCONSTRAINED HAIR IN A HAIR TREATING PROCESS TO IMPROVE AND PROLONG ITS SETTING PROPERTIES WITHOUT IMPARTING ANY PERMANENT DEFORMATION TO THE SAME COMPRISING THE STEPS OF FIRST APPLYING TO THE UNCONSTRAINED HAIR AN EFFECTIVE AMOUNT OF A COMPOSITON CONTAINING, IN AQUEOUS MEDIA, A THIOL REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF THIOGLYCOLIC ACID, THIOGLYCEROLL, GLYCOL THIOGLYCOLATE, GLYCEROL THIOGLYCOLATE, GLYCOL THIOLACTATE, B-MERCAPTO-ETHANOL, N-CARBOXYMETHYLMERCAPTO-ACETAMIDE, THIOLACTIC ACID AND B-MERCAPTOPROPIONIC ACID AND AN OXIDATION AGENT SELECTED FROM THE GROUP CONSISTING OF THE DISULFIDES OF THE FOLLOWING THIOLS;

THIOGLYCOLIC ACID, THIOGLYCEROL, GLYCOL THIOGLYCOLATE, GLYCEROL THIOLGLYCOLATE, GLYCOL THIOLACTATE, B-MERCAPTO-ETHANOL, N-CAROXYMETHYL-MERCAPTO-ACETATMIDE, THIOLACTIC ACID AND B-MERCAPTOPROPIONIC ACID, THE MOLAR RATIO OF THE OXIDIZING AGENT TO SAID REDUCING AGENT BEING AT LEAST 1.5;

1 AND UP TO 20;

1, WITH THE AMOUNT OF REDUCING AGENT IN THE COMPOSITION BEING ABOUT 0.01-0.5 MOLE PER LITER AND THE AMOUNT OF OXIDIZING AGENT BEING ABOUT 0.015-10 MOLE PER LITER, SAID COMPOSITION HAVING A PH OF ABOUT 9-10, ALLOWING THE COMPOSITION TO REMAIN IN CONTACT WITH THE UNCONSTRAINED HAIR FOR ABOUT 1 TO 15 MINUTES AND THEREAFTER RINSING AND DRYING THE HAIR.