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:
Jun. 06, 1989
Filed:
Dec. 10, 1987
Applicant:
Inventors:
Yoshiharu Suzuki, Shizuoka, JP;
Tomoyuki Aketa, Fuji, JP;
Assignee:
Polyplastics Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
156667 ; 156668 ; 252 792 ;
Abstract
A surface treating method for polyacetal resin molded articles is characterized in that the surface of a molded article made of a polyacetal resin composition including 99.5.about.80 parts by weight of a polyacetal resin and 0.5.about.20 parts by weight of one or more kinds of fine powdery metallic oxides having a mean particle diameter of 0.1.about.20.mu. is etched with an acidic solution containing one or more kinds of inorganic acids selected from the group consisting of sulfuric acid, hydrochloric acid, and phosphoric acid.