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:
Dec. 28, 1993
Filed:
Aug. 07, 1992
Applicant:
Inventors:
Hideo Shinonaga, Chiba, JP;
Satoru Sogabe, Sodegaura, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427558 ; 264 22 ; 264 25 ; 427322 ; 4273935 ;
Abstract
The present invention provides a method which enables the surface of a molded article of a polypropylene resin to be modified to a surface suitable for coating, bonding, printing, etc. A molded article of a polypropylene resin comprising polypropylene, an ethylene-propylene copolymer rubber and an ethylene-acrylic acid or ethylene-methacrylic acid copolymer and optionally a filler is irradiated in the air with a light from a synthetic quartz low pressure mercury lamp having an output of 200 W for 60 sec with the distance between the surface of the molded article and the lamp being kept at about 10 cm.