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:
Feb. 22, 2022
Filed:
Sep. 07, 2018
Applicant:
Nissan Chemical Corporation, Tokyo, JP;
Inventors:
Daisuke Hatanaka, Funabashi, JP;
Hisato Hayashi, Tokyo, JP;
Assignee:
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 1/02 (2006.01);
U.S. Cl.
CPC ...
A01N 1/021 (2013.01);
Abstract
Cells or tissues are preserved in an unfrozen state in the liquid composition containing deacylated gellan gum or a salt thereof, and an acidic polysaccharide or a salt thereof capable of maintaining a random coil state in a divalent metal cation medium and cross-linking via a divalent metal ion. The acidic polysaccharide may be alginic acid. The liquid composition may further contain a metal cation such as calcium ion and the like.