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:
Jun. 13, 2006
Filed:
Sep. 15, 2003
Applicants:
Alan Martin Allgeier, Wilmington, DE (US);
John J. Ostermaier, Wilmington, DE (US);
Inventors:
Alan Martin Allgeier, Wilmington, DE (US);
John J. Ostermaier, Wilmington, DE (US);
Assignee:
Invista North America S.A.R.L., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 201/16 (2006.01); C07D 223/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for making both ACN and HMD from partial hydrogenation of ADN by using a combination of distillations resulting in the formation of a mixture of HMD and THA that can be hydrogenated to produce a mixture of HMD and HMI that can be separated easily by simple distillation.