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:
May. 11, 2010
Filed:
Mar. 31, 2008
Deborah L. Hordos, Troy, MI (US);
Sean P. Burns, Almont, MI (US);
Deborah L. Hordos, Troy, MI (US);
Sean P. Burns, Almont, MI (US);
TK Holdings, Inc., Armada, MI (US);
Abstract
A method of forming monoammonium salt of 5,5'-bis-1H-tetrazole (BTA-1NH3) is presented comprising the steps of charging a mixing vessel with a solution of free BTA acid and distilled water, adding ammonium hydroxide in excess to obtain a pH of at least 9.5 and mixing the solution, and adding sulfuric acid cooled to 10-20 degrees Celsius to obtain a pH of at least 4.5 and mixing the solution. A gas generatorcontaining a gas generantcontaining the BTA-1NH3 formed in accordance with the present invention is also presented. Gas generating systemssuch as vehicle occupant protection systems, containing the gas generator, are also provided.