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:
Nov. 10, 2009
Filed:
Jun. 23, 2005
Kumaran Ganesan, Madhya Pradesh, IN;
Ramesh Chandra Malhotra, Madhya Pradesh, IN;
Ambati Narasimha Rao, Madhya Pradesh, IN;
Pradeep Kumar Gupta, Madhya Pradesh, IN;
Asheesh Kumar Jain, Madhya Pradesh, IN;
Shri Prakash, Madhya Pradesh, IN;
Krishnamurthy Sekhar, Madhya Pradesh, IN;
Kumaran Ganesan, Madhya Pradesh, IN;
Ramesh Chandra Malhotra, Madhya Pradesh, IN;
Ambati Narasimha Rao, Madhya Pradesh, IN;
Pradeep Kumar Gupta, Madhya Pradesh, IN;
Asheesh Kumar Jain, Madhya Pradesh, IN;
Shri Prakash, Madhya Pradesh, IN;
Krishnamurthy Sekhar, Madhya Pradesh, IN;
Defence Research & Development Organisation, New Delhi, IN;
Abstract
A process for the preparation of n-heneicosane is disclosed. The process comprises (a) reacting 2,4-alkaneanedione with 1-bromooctadecane in absolute ethanol in the presence of 18-crown-6 as catalyst to produce 2-heneicosanone; and (b) reducing said 2-heneicosanone using hydrazine hydrate and potassium hydroxide in ethylene glycol to obtain n-heneicosane.