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. 20, 2002
Filed:
Jan. 18, 2000
Applicant:
Inventor:
John Jennings, Bronx, NY (US);
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C 5/00 ; D21H 1/900 ; C08G 6/900 ;
U.S. Cl.
CPC ...
A62C 5/00 ; D21H 1/900 ; C08G 6/900 ;
Abstract
Perfluoroalkyl-substituted amino acid oligomers or polymers obtainable from (A) an aliphatic diamino acid having 3 to 10 carbon atoms such as lysine, (B) a chain extender such as epichlorohydrin, a dihalide or an aliphatic diepoxide, (C) an amino-reactive allyl compound and (D) a perfluoroalkyl iodide, and, optionally, other reactants, are useful as grease-proofing agents for paper and are excellent foam stabilizers for Aqueous Fire-Fighting Foam (AFFF) formulations used on polar solvent fires.