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. 12, 2003
Filed:
Aug. 21, 1998
Applicant:
Inventors:
Stephen T. Wellinghoff, San Antonio, TX (US);
Joel J. Kampa, Boerne, TX (US);
Sumner A. Barenberg, Chicago, IL (US);
Peter N. Gray, Chicago, IL (US);
Michael D. Lelah, Chicago, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 ;
U.S. Cl.
CPC ...
A61K 9/14 ;
Abstract
A particle including anions dispersed throughout an amorohous, paracrystalline or crystalline solid solution, the anions being capable of reacting with hydronioum ions to generated a gas. The particle can be incorporated into a power capable of generating and releasing a gas after hydrolysis of an acid releasing agent.