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. 22, 1983
Filed:
Dec. 01, 1982
Applicant:
Inventors:
Assignee:
Boehringer Mannheim GmbH, Mannheim-Waldhof, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07G / ; C07G / ;
U.S. Cl.
CPC ...
2601 / ; 2601 / ; 424 95 ; 424101 ; 424105 ; 435 13 ; 435212 ;
Abstract
A tissue thromboplastin preparation which is sensitive to coagulation factor VII, is prepared from acetone dry powder mammalian tissue, by extraction with a salt solution containing 1 to 20 mmol/1 of calcium ions and, if desired, a surface active agent, after which the extract maybe dried.