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:
Jun. 06, 1989
Filed:
Oct. 09, 1986
Applicant:
Inventors:
Anne M Edwards, Wrightstown, NJ (US);
Allen Rosen, Lawrenceville, NJ (US);
Assignee:
Union Camp Corporation, Wayne, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162141 ; 162142 ; 162206 ; 162207 ;
Abstract
A process for preparing linerboards from blends of Kraft chemical pulp with a Kraft high yield pulp comprises forming the pulp blend into sheets, pressing the sheets to a specific solids content and subsequently pressing at a press impulse of at least 7.5 psig-second. The linerboards have the same crush strength as those prepared from Kraft chemical pulps.