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:
Dec. 06, 1983
Filed:
May. 18, 1981
Applicant:
Inventors:
Alan L Davitt, Brownsburg, CA;
Kenneth A Yuill, Alfred, CA;
Assignee:
CXA Ltd/CXA LTEE, North York, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C06B / ;
U.S. Cl.
CPC ...
149 40 ; 149 21 ; 149 37 ;
Abstract
An improved pyrotechnic delay composition of intermediate to slow burning time is provided for use in both electric and non-electric blasting caps. The composition comprises a mixture of barium sulphate and silicon to which may optionally be added a proportion of red lead oxide. The composition is characterized by the basence of any carcinogenic properties and is not water soluble.