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. 01, 1980
Filed:
Jan. 09, 1978
David R Gehman, Harleysville, PA (US);
William A Kirn, Abington, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
Acrylic polymer solutions having superior properties when used as hair setting or holding resins are disclosed. Specific polymers disclosed are derived from (1) alkyl acrylates with 2-8 carbon alkyl groups, (2) methyl methacrylate, (3) hydroxyethyl methacrylate, and (4) methacrylic acid in proportions yielding a film forming resin readily soluble in shampoo, with a Tg between about 40.degree. C. and 80.degree. C., a molecular weight between about 25,000 and 250,000 and not more than 50 ppm of unreacted alkyl acrylate monomer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile