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:
Aug. 11, 1975
Applicant:
Inventors:
Takezo Sano, Ibaragi, JA;
Tadanori Inoue, Ibaragi, JA;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428172 ; 96 351 ; 9611 / ; 428213 ; 428337 ; 428339 ; 428458 ; 428461 ; 428462 ; 428463 ; 428908 ; 428215 ;
Abstract
A novel original plate for producing matrix which has improved strength, mold releasability and dimensional stability during production of matrices consists of a laminated structure of a metal base, a bonding layer, a relief supporting layer and a relief of a photo-polymerized resin, said relief supporting layer comprising a resin similar to that of the relief or having a high affinity with that of the relief.