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:
Mar. 17, 2020
Filed:
Apr. 19, 2017
Applicant:
United States of America As Represented BY the Secretary of the Army, Washington, DC (US);
Inventors:
Brian McDonald, Taft, TN (US);
Jeremy Rice, Huntsville, AL (US);
John Stewart, Redstone Arsenal, AL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06D 5/00 (2006.01); F02K 7/10 (2006.01); C10L 5/00 (2006.01); G06D 5/00 (2006.01); F02K 9/95 (2006.01); C10L 5/40 (2006.01);
U.S. Cl.
CPC ...
G06D 5/00 (2013.01); C10L 5/00 (2013.01); C10L 5/406 (2013.01); F02K 7/105 (2013.01); F02K 9/95 (2013.01); C10L 2200/0259 (2013.01); C10L 2200/0263 (2013.01); C10L 2250/04 (2013.01); C10L 2270/04 (2013.01);
Abstract
The application relates to a Ramjet solid fuel having an ignition temperature of less than 400° C., the fuel comprising a bis-(ethylene oxy) methane polysulfide polymer (BMPP) and hydroxyl-terminated polybutadiene (HTPB), the copolymer having a BMPP/HTPB weight ratio of from 1/3 to 3/1; and the fuel comprising at least 85 weight % copolymer. The BMPP comprises from 5 to 8 weight percent mercaptan. Furthermore, the BMPP is selected fromHS(RSS)CHCH((SSR)CSH)CH(SSR)SH  a)