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:
Nov. 07, 1978
Filed:
Jun. 21, 1974
Applicant:
Inventor:
Guido Dessauer, Dusseldorf-Gerresheim, DE;
Assignee:
Feldmuhle Aktiengesellschaft, Dusseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162146 ; 162166 ; 1621 / ; 162175 ; 162182 ; 162183 ;
Abstract
Paper having adequate mechanical strength and stiffness for use in xerographic equipment at a very low weight is prepared from a stock containing untreated cellulose fibers as well as cellulose fibers stiffened by impregnation with melamine-formaldehyde precondensate or methylolurea, curing of the initially water-soluble resin, and reaction of the cured resin with polyvinyl alcohol or starch ether.