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:
Mar. 26, 1996
Filed:
Mar. 28, 1994
Applicant:
Inventors:
Michael M Blackstone, Ridgeland, SC (US);
Hugh E Nuckolls, Mauldin, SC (US);
Assignee:
Chemstone, Inc., Greenville, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
162 76 ; 162 72 ; 162D / ; 162 90 ;
Abstract
A process for cooking wood to pulp by contacting the wood with a deresinating agent containing fatty acid esters of polyoxyalkene glycols priors to cooking the wood with an alkaline liquor to simultaneously reduce pulp rejects and increase pulp yield.