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:
Oct. 19, 2004
Filed:
Feb. 19, 2003
Applicant:
Inventors:
Richard Freer, Bishop's Stortford, GB;
Graham Richard Geen, Dunmow, GB;
Thomas Weir Ramsay, Haverhill, GB;
Andrew Colin Share, Saffron Walden, GB;
Neil Michael Smith, Saffron Walden, GB;
Assignee:
Novartis International Pharmaceutical Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07F 7/18 ;
U.S. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07F 7/18 ;
Abstract
Intermediates such as methyl 2,2-dimethyl-5-ethenyl-1,3-dioxane-5-carbonate useful to prepare antiviral compounds such as penciclovir and famciclovir are disclosed.