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, 2002
Filed:
Oct. 06, 2000
Applicant:
Inventors:
Henry J. John, Jr., Jacksonville, AR (US);
Carolyn Yeager, Romance, AR (US);
Don Pile, Cabot, AR (US);
Tim Webb, Rogers, AR (US);
Assignee:
RA Brands, LLC, Madison, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C06B 4/506 ; C06B 3/102 ;
U.S. Cl.
CPC ...
C06B 4/506 ; C06B 3/102 ;
Abstract
A non-toxic primer mix including both bismuth sulfide and potassium nitrate as the pyrotechnic portion of the primer is disclosed. In a further embodiment, a non-toxic primer mix comprising zinc sulfide and aluminum nitrate as the pyrotechnic portion of the primer mix is disposed. Bismuth and zinc sulfide act as fuels for the oxidizers of potassium and aluminum nitrate in providing an ignition flame for the primer. The non-toxic primer mix further contains a lead-free explosive material, and additionally can include added fuels, sensitizers, explosives and binders.