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SARA W. BOEHMER
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NEWARK, DE, US
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Patents Grants
last 30 patents
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Patent Grant
Purification of difluoromethane by extractive distillation
Patent number
7,371,309
Issue date
May 13, 2008
E. I. Du Pont de Nemours and Company
Sara W. Boehmer
C07 - ORGANIC CHEMISTRY
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Patent Grant
Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride
Patent number
6,303,838
Issue date
Oct 16, 2001
E. I. Du Pont de Nemours and Company
Sara W. Boehmer
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
PURIFICATION OF DIFLUOROMETHANE BY EXTRACTIVE DISTILLATION
Publication number
20030116422
Publication date
Jun 26, 2003
SARA W. BOEHMER
C07 - ORGANIC CHEMISTRY