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:
Sep. 07, 2010
Filed:
Jun. 01, 2006
Applicants:
Ina Pieter, Bensheim, DE;
Bernhard Hanke, Bensheim, DE;
Inventors:
Ina Pieter, Bensheim, DE;
Bernhard Hanke, Bensheim, DE;
Assignee:
PULSION Medical Systems AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for purification of synthetically-produced compounds, comprising a betaine structure in the molecule, for example, indocyan green, characterized in that reaction by-products, starting materials and/or other impurities such as NaI used during production are separated by extraction.