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:
Jun. 07, 1977
Filed:
Oct. 10, 1975
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
260314 ;
Abstract
To photosynthetizing living organisms such as spinach was added an organic olvent selected from the group consisting of methyl alcohol, acetone, methyl ethyl ketone and butylcarbitol in a weight amount of 3 - 8 times as much as the living organisms and the mixture is thoroughly triturated and then treated by the following route: after removal of insoluble matters, the liquid is admixed with dioxane in a volumetric amount of 1/8- 1/8 of the volume of the organic solvent and then with a phosphate buffer solution until the liquid becomes turbid, and thereafter allowed to stand in a cooled dark place, and the precipitated crystalline chlorophyll is separated from the solution.