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:
Jan. 06, 1976
Filed:
Sep. 10, 1973
Applicant:
Inventors:
Akihiko Ito, Takasaki, JA;
Masaru Yoshida, Takasaki, JA;
Yoshiaki Nakase, Takasaki, JA;
Tadafumi Yamauchi, Takasaki, JA;
Tadashi Iwai, Ube, JA;
Koichiro Hayashi, Sapporo, JA;
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
20415921 ; 260 / ;
Abstract
Trioxane can advantageously be polymerized in the presence of a thiocyanate (an ester of thiocyanic acid), to obtain an oxymethylene polymer having thermal stability. The polymerization is further promoted by means of an ionizing radiation or an ultraviolet light.