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. 11, 2003
Filed:
Oct. 29, 2001
Applicant:
Inventors:
Anne Bruckner, County of Kent, GB;
Michael Butters, County of Kent, GB;
Paul Vincent Fish, County of Kent, GB;
Michael Paul Fitzgerald, County of Kent, GB;
Julie Ann Macrae, County of Kent, GB;
Trevor Jack Newbury, County of Kent, GB;
Richard Anthony Storey, County of Kent, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 4/342 ;
U.S. Cl.
CPC ...
A01N 4/342 ;
Abstract
The invention described herein relates to a process for the preparation of (7-(3-carboxyphenyl)-4-chloroisoquinolin-1-yl)guanidine (I), intermediates thereto and new forms and formulations thereof, including the zwitterion monohydrate of (I), suitable for pharmaceutical use.