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:
Feb. 12, 2002
Filed:
Sep. 21, 1999
Applicant:
Inventors:
Timothy J. McNally, Mosinee, WI (US);
Michael E. Sanford, Wausau, WI (US);
Bernt O. Myrvold, Sarpsborg, NO;
Detchko Pavlov Detchkov, Sofia, BG;
Temelaki Vasilev Rogachev, Sofia, BG;
Geno Petkov Papazov, Sofia, BG;
Maria Borisova Matrakova, Sofia, BG;
Assignee:
Lignotech, U.S.A., Inc., Rothschild, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 ; C08L 9/700 ;
U.S. Cl.
CPC ...
H01M 4/62 ; C08L 9/700 ;
Abstract
An organic expander composition for improving the cycle life and the cold crank ability properties of lead-acid batteries as compared to standard or oxylignin organic expanders. The organic expander composition is obtained by a blend of oxylignin and kraft lignin.