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.

Date of Patent:
Aug. 09, 1983

Filed:

Feb. 24, 1982
Applicant:
Inventors:

Nancy C Johnson, Waldorf, MD (US);

Carl Gotzmer, Accokeek, MD (US);

Mark Graff, Crofton, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06B / ;
U.S. Cl.
CPC ...
149-7 ; 149 192 ; 544225 ;
Abstract

Diferrocenyl piperazines represented by the formula: ##STR1## wherein Fc represents a ferrocene radial R represents alkylene radical hng from 1 to 7 carbon atoms, and x and y are 0 or 1 are disclosed as burning rate modifiers for ammonium perchlorate composite propellants. Coating ammonium perchlorate crystals with the differocenyl piperazines significantly decreases migration of the piperazines in the propellant.


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