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:
Oct. 17, 1989
Filed:
Oct. 19, 1987
Applicant:
Inventors:
Izumi Saitoh, Hyogo, JP;
Shigeru Kido, Osaka, JP;
Yoshio Sasaki, Fukui, JP;
Syuichiro Shinohara, Fukui, JP;
Assignees:
Shionogi & Co., Ltd., Osaka, JP;
Nisshin Chemical Co., Ltd., Fukui, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263184 ;
Abstract
An acrylic copolymer of ethyl acrylate and methacrylic acid wherein the weight ratio of ethyl acrylate to methacrylic acid is in a range between 75:25 and 95:5, containing therein a residual monomer content of 50 ppm or less, but substantially no surfactants, and which is useful as agents for protecting the skin and manufactured from the following essential components: