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:
Aug. 04, 1992
Filed:
Mar. 11, 1991
Applicant:
Inventors:
Michel J Desrochers, Dollard des Ormeaux, CA;
Michel Jean, Pointe Claire, CA;
Michel P Drouin, Ile Perrot, CA;
Assignee:
Domtar Inc., Montreal, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162 11 ; 162 13 ; 162 21 ; 162 93 ; 162163 ;
Abstract
A method for making a shaped product comprising exploded bark. Preferably the shaped product comprises exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, based upon the dry weight basis of the bark. One of the methods to make the shaped product comprises exploding softwood bark to obtain exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, compressing that exploded bark into a shaped product, while removing in part water, and drying the shaped product to remove the remaining water.