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:
May. 28, 1985
Filed:
Feb. 09, 1983
Applicant:
Inventors:
Masahiro Amano, Tokyo, JP;
Shunji Seino, Tokyo, JP;
Ryota Nishiyama, Tokyo, JP;
Masaoki Nozaki, Tokyo, JP;
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162138 ; 162146 ; 1621573 ; 162205 ;
Abstract
A heat resistant thin paper excellent in electrical insulating property can be obtained by subjecting pulp-like particles of aromatic polyamide or aromatic polyamide-imide, which have a low freeness and a low ion content to wet paper-making process, drying and then making the resulting web dense under a pressure.