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:
May. 06, 1980
Filed:
Nov. 28, 1978
Applicant:
Inventors:
Masaharu Kimura, Tokyo, JP;
Yoshiharu Otuki, Urawa, JP;
Akitoshi Sugio, Ohmiya, JP;
Tomotaka Furusawa, Matsudo, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525401 ; 525403 ; 525410 ; 528290 ; 525398 ; 525509 ;
Abstract
An acetal resin composition comprising an admixture of 100 parts by weight of an acetal resin and 0.01 to 15 parts by weight of a petroleum resin, said petroleum resin being prepared by polymerizing a cracked petroleum fraction boiling between -15.degree. C. and 200.degree. C. and containing unsaturated hydrocarbons, and having a molecular weight in the range of 400 to 2500 and a second order transition temperature in the range of 35.degree. to 90.degree. C.