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. 01, 1983
Filed:
Jan. 08, 1982
Applicant:
Inventor:
Henry A Fremont, Wyoming, OH (US);
Assignee:
Champion International Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162 54 ; 162207 ;
Abstract
The present invention relates to a novel cellulosic wood pulp fiber having lower specific volume for a given surface area than conventionally prepared wood pulp fibers, to products made therefrom, and to the process of making such fiber comprising hydrating cellulosic wood pulp fiber to a freeness of at least about 650 CSF and lower, freezing the fibers while in an aqueous slurry containing at least 40% water to a fiber temperature of at least -5.degree. C. or below, and thawing the pulp fibers to a temperature at which they will flow.