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:
Sep. 27, 1994
Filed:
Apr. 09, 1993
Applicant:
Inventor:
Hisashi Muraoka, Yokohama, JP;
Assignee:
Purex Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B05D / ;
U.S. Cl.
CPC ...
156651 ; 156668 ; 252 791 ; 134 38 ;
Abstract
The present treatment method of cleaning is characterized by etching the surfaces of a plastic molded item, particularly a fluororesin molded item by using a strong alkaline solution of an organic strong base such as tetramethylammonium hydroxide. According to the method, impurities absorbed into the surfaces of the molded item by chemical treatment can be eliminated effectively within a short period of time.
Quick Actions:
Muraoka, Hisashi. (1994). Treatment method of cleaning surface of plastic molded item (U.S. Patent No. 5350489). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5350489
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile