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:
Nov. 12, 1996
Filed:
May. 23, 1985
G William Lawrence, Silver Spring, MD (US);
William H Gilligan, Ft. Washington, MD (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
Hydroxy-terminated poly(2,2-dinitropropyl)polynitroorthocarbonate prepolys of the formula ##STR1## which are prepared by reacting bis(2,2-dinitropropyl)dichloroformal with a diol of the formula ##STR2## wherein n>1, and wherein W, X, Y, and Z vary independently and are F or NO.sub.2, and wherein --A-- is --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.sub.2 CH.sub.2 CH.sub.2 --, --CF.sub.2 --, --CF.sub.2 CF.sub.2 --, --CF.sub.2 CF.sub.2 CF.sub.2 --, --CF.sub.2 CF.sub.2 CF.sub.2 CF.sub.2 --, --CH.sub.2 OCH.sub.2 --, --CH.sub.2 OCH.sub.2 OCH.sub.2 --, --CH.sub.2 OCF.sub.2 OCH.sub.2 --, or --CH.sub.2 N(NO.sub.2)CH.sub.2 --. These prepolymers are reacted with curing agents (e.g., polyisocyanates) to form energetic polymeric binders.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile