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. 09, 1997
Filed:
Nov. 15, 1993
Applicant:
Inventors:
James R Ryland, Louisville, CO (US);
Maura-Ann H Matthews, Boulder, CO (US);
Ulrich P Ernst, Lafayette, CO (US);
Daniel E Houk, Concord, CA (US);
David W Traylor, Wheat Ridge, CO (US);
Lee R Williams, Concord, CA (US);
Assignee:
Somatogen, Inc., Boulder, CO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; A23J / ;
U.S. Cl.
CPC ...
530412 ; 530385 ;
Abstract
The present invention relates to a method for the production of a substantially protoporphyrin IX free hemoglobin solution comprising: rapidly heating a crude protoporphyrin IX-containing hemoglobin solution for a relatively short time and at a relatively high temperature to reduce protoporphyrin IX-containing hemoglobin to insignificant levels in said protoporphyrin IX-containing hemoglobin solution.