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:
May. 26, 1987
Filed:
Feb. 22, 1984
Applicant:
Inventors:
Marie-Jos/e/ Brochon, Vanves, FR;
Anne-France Corot, Olivet, FR;
Assignee:
Societe a Responsabilite Limitee Dite: 'Korano', Olivet, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C07H / ;
U.S. Cl.
CPC ...
536121 ; 536-11 ; 536114 ; 536123 ; 435243 ; 435262 ;
Abstract
A flake-powder preparation of a polygalactan having randomly interlaced chains of alternating D and L forms and bonded to fine grain aluminum oxide, silicon oxide and titanium oxide disposed throughout the powder and chemically bonded to the chains to form chemical complexes therewith, is used as a substitute for agar-agar as a culture medium. The powder is soluble in water upon heating to a temperature of 80.degree. C. and forms a reversible gel upon cooling.