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. 09, 1989
Filed:
Sep. 30, 1987
Applicant:
Inventors:
Dinkar G Wagle, Monroe, NY (US);
Vacheslav M Yasnovsky, Orangeburg, NY (US);
Jeffery R Jones, Mobile, AL (US);
Assignee:
International Paper Company, Purchase, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ; D21H / ;
U.S. Cl.
CPC ...
1621681 ; 162169 ; 162174 ; 162207 ; 4273741 ; 427382 ; 427391 ; 427395 ;
Abstract
The stiffness, wet strength and bursting strength of paper is improved by adding a latex such as milk to the paper and then subjecting the paper to steps of high temperature treatment and immediate rewetting.