Elizabeth Francois resumes & CV records
Resumes
Elizabeth Francois
Elizabeth Francois
Location:
United States
Elizabeth A Francois, 5718 Loveland Heights Ln, Drake, CO 80515
Elizabeth Francois Phones & Addresses
2541 Us Highway 34, Drake, CO 80515
1 Zephyr Ct, Jemez Springs, NM 87025 575-8293592
167 Ethel Ave, Mill Valley, CA 94941
Los Alamos, NM
Estes Park, CO
Boulder, CO
Mentions for Elizabeth A Francois
Publications & IP owners
Us Patents
Preparation Of 3,3'-Diamino-4,4'-Azoxyfurazan, 3,3'-4,4'-Azofurazan, And Pressed Articles
US Patent:
2009030, Dec 10, 2009
Filed:
Jun 4, 2008
Appl. No.:
12/156904
Inventors:
David E. Chavez - Rancho de Taos NM, US
Elizabeth G. Francois - Jemez Springs NM, US
Elizabeth G. Francois - Jemez Springs NM, US
International Classification:
C07C 291/08
C07C 245/02
C07C 245/02
US Classification:
534572, 534733
Abstract:
A method for preparing essentially pure 3,3′-diamino-4,4′-azoxyfurazan (“DAAF”) that involves reacting an aqueous solution that includes 3,4-diaminofurazan (“DAF”) with OXONE™ (i.e. 2KHSO.KHSO.KSO) in the presence of a chemical buffer or a material that produces a chemical buffer during the reaction between DAF and the OXONE™. The essentially pure product particles can be used without further purification in preparing pressed articles of that consist of essentially pure DAAF. When sodium hypochlorite is used instead of OXONE, the product is 3,3′-diamino-4,4′-azofurazan (“DAAzF”).
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