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:
May. 13, 2008
Filed:
Aug. 31, 2004
Applicants:
David G. Guillot, Tremonton, UT (US);
Albert R. Harvey, Brigham City, UT (US);
Inventors:
David G. Guillot, Tremonton, UT (US);
Albert R. Harvey, Brigham City, UT (US);
Assignee:
Alliant Techsystems Inc., Edina, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 9/34 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel and improved EPDM formulation for a solid propellant rocket motor is described wherein hexadiene EPDM monomer components are replaced by alkylidene norbornene components, and, with appropriate adjustment of curing and other additives, functionally required rheological and physical characteristics are achieved with the desired compatibility with any one of a plurality of solid filler materials, e.g., powder silica, carbon fibers or aramid fibers, and with appropriate adhesion and extended storage or shelf-life characteristics.