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Patent references
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Title: ORGANIC EXPANDER FOR LEAD-ACID STORAGE BATTERRIES
Inventors: |
Timothy J. McNally, Mosinee; Michael E. Sanford, Wausau, both of WI (US); Bernt O. Myrvold, Sarpsborg (NO); Detchko Pavlov Detchkov, Sofia (BG); Temelaki Vasilev Rogachev, Sofia (BG); Geno Petkov Rapazov, Sofia (BG); Maria Borisova Matrakova, Sofia (BG) |
Assignee: Lignotech, U.S.A., Inc., Rothschild, WI (US)
Patent No: US 6346347 B1 Application No: US 09/400671
Date of Patent: Feb. 12, 2002 Application date: Sep. 21, 1999
Main US classification: 429215000
Secondary US classification: 029623500, 530501000
Main international classification: H01M-004/62
Secondary international classification: C08L-097/00
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.
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