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. 19, 1989
Filed:
Nov. 17, 1987
Boehringer Mannheim GmbH, Mannheim, DE;
Abstract
The present invention provides an aqueous cholesterol standard solution with a definite content of cholesterol, wherein it contains a detergent mixture of 10 to 90% of cholic acid and 90 to 10% of desoxycholic acid or of appropriate salts or derivatives of these acids. The present invention also provides a process for the preparation of this aqueous cholesterol standard solution, wherein a detergent mixture of cholic acid and desoxycholic acid or of appropriate salts and derivatives of these acids is dissolved in distilled water or in 0.9% aqueous sodium chloride solution, an appropriate preservation agent and/or a buffer effective in the pH range of from 7 to 9 optionally added thereto, and a definite, precisely defined amount of cholesterol is dissolved in the solution thus obtained, while stirring and warming to 40.degree. to 60.degree. C.