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:
Mar. 14, 1978
Filed:
Mar. 18, 1976
Applicant:
Inventors:
Tomiaki Kimura, Yokohama, JA;
Masamichi Watanabe, Yokohama, JA;
Yoichiro Yamakawa, Yokohama, JA;
Seiichi Mukai, Yokohama, JA;
Kunihiro Takenaka, Machida, JA;
Masahiro Kita, Kawasaki, JA;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2641 / ; 260 / ; 260841 ; 264236 ; 264347 ;
Abstract
Fibers or films with high mechanical strengths are produced from novolacs which are obtained by reaction of resols with phenols under neutral or acidic conditions.