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:
Oct. 14, 2003
Filed:
Aug. 04, 2000
Applicant:
Inventors:
Leonard J. Chyall, Lafayette, IN (US);
Harry A. Hodgen, Battle Ground, IN (US);
Frederick J. Vyverberg, Lafayette, IN (US);
Robert W. Chapman, Delphi, IN (US);
Phillip K. Chou, Pewaukee, WI (US);
Assignee:
PABU Services, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/308 ; C08F 4/10 ; C08K 5/527 ; C08K 3/20 ;
U.S. Cl.
CPC ...
A61K 3/308 ; C08F 4/10 ; C08K 5/527 ; C08K 3/20 ;
Abstract
An intumescent polymer composition includes a matrix polymer, an acid catalyst source, a nitrogen source and an ionic phyllosilicate synergist having substantial cationic exchange capacity. Particularly preferred ionic phyllosilicates are montmorillonoids whereas pentaerythritol phosphate is a preferred acid catalyst source: