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:
Apr. 27, 1982
Filed:
May. 07, 1981
Applicant:
Inventors:
Kuen-Wai Chiu, Mars, PA (US);
John R Strickler, Pittsburgh, PA (US);
Assignee:
Mine Safety Appliances Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423646 ; 423645 ; 423647 ;
Abstract
Potassium hydride and mixtures of potassium hydride with other alkali metal hydrides are prepared by contacting hydrogen with potassium or potassium alloys with other alkali metals, dispersed in an inert fluid, in the presence of a potassium phenanthride catalyst.