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. 10, 2009
Filed:
Oct. 28, 2002
Applicant:
Claude Riou, Menthon St. Bernard, FR;
Inventor:
Claude Riou, Menthon St. Bernard, FR;
Assignee:
International Paper Company, Memphis, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to bleached mechanical paper pulps, based on fibrillated fibres of cellulose, hemicelluloses and lignin, containing calcium carbonate, in which calcium carbonate is crystallised and at least partly covers the fibrillated fibres of cellulose, hemicelluloses and lignin to which the calcium carbonate is mechanically bonded, papers made from these pulps and their preparation process.