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:
Feb. 19, 1980
Filed:
Dec. 20, 1978
Applicant:
Inventors:
Akitoshi Sugio, Omiya, JP;
Akira Amemiya, Tokyo, JP;
Tetsuya Abe, Tokyo, JP;
Tomotaka Furusawa, Matsudo, JP;
Takeo Suzumori, Tokyo, JP;
Mutsuhiko Takeda, Matsudo, JP;
Masaharu Kimura, Tokyo, JP;
Yoshiharu Ohtsuki, Urawa, JP;
Katsumasa Tanaka, Tokyo, JP;
Toshikazu Umemura, Tokyo, JP;
Kiyokazu Kawaguchi, Yokkaichi, JP;
Michio Ohba, Tokyo, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07D / ;
U.S. Cl.
CPC ...
528232 ; 260340 ; 528241 ; 528242 ; 528270 ;
Abstract
A process for polymerizing trioxane made from an aqueous solution of methanol-containing formaldehyde by a conventional method or copolymerizing the trioxane with another monomer, characterized by