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:
Oct. 01, 1991
Filed:
Nov. 28, 1989
Applicant:
Inventors:
Ryohei Ehara, Saitama, JP;
Masatoshi Tomiki, Koshigaya, JP;
Assignee:
Somar Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428215 ; 4284251 ; 428412 ; 428414 ; 4284244 ; 4284246 ; 4284237 ; 4284235 ; 4284253 ; 4284735 ; 428483 ; 4284769 ; 428514 ; 428511 ; 156238 ; 156241 ;
Abstract
A composite paper suitable for use as writing paper, printing paper or copying paper is disclosed which includes a synthetic resin film having a thickness of 12-30 .mu.m, and a paper sheet laminated on each side of the synthetic resin film and having a Bekk smoothness of 60-120 seconds, a density of 0.8-1.0 g/cm.sup.3, a degree of sizing of 0.5-1.5 seconds and a thickness of 20-25 .mu.m.