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:
Apr. 05, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventors:
Hanuman P Didwania, Lisle, IL (US);
Robert J Eber, Appleton, WI (US);
Assignee:
James River-Norwalk, Inc., Norwalk, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ; D21B / ;
U.S. Cl.
CPC ...
162-8 ; 162191 ;
Abstract
Cellulosic fibers containing latex solids are recovered from latex bonded broke by agitation of the broke in an aqueous alkaline solution having an alkali metal hydroxide concentration of 0.5 to 1.5 mol percent for a period of time in the range of ten minutes to four hours. The resulting fibers containing cured latex solids may be added to conventional papermaking fibers in amounts as high as 10 to 15 percent by weight for the production of facial quality tissue to produce a high quality product web.