The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Jul. 15, 2009
Applicant:
Richard A. Presti, Airmont, NY (US);
Inventor:
Richard A. Presti, Airmont, NY (US);
Assignee:
Beilis Development, LLC, Fair Lawn, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A45D 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method to gently and permanently relax or straighten hair utilizes a protease enzyme, and preferably the enzyme kerA. The hair is optionally treated with a swelling agent, after which it is treated with the enzyme in an aqueous solution. The hair is then physically manipulated, such as by ironing, to remove unwanted curl, wave, and or kink. The enzyme has the ability to cleave inter-peptide bonds, allowing the hair fiber to be relaxed or straightened with less damage to the fiber than would have occurred using traditional or existing straightening methods.