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:
Mar. 20, 1990
Filed:
Jan. 04, 1989
Applicant:
Inventors:
Dieter Schwengers, Dormangen, DE;
Ingrid Keller, Monchengladbach, DE;
Assignee:
Pfeifer & Langen, Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C08B / ;
U.S. Cl.
CPC ...
43524024 ; 43524023 ; 435240243 ; 435178 ; 536 551 ; 536112 ;
Abstract
A cell culture microcarrier having positively charged cross-linked polysaccharides and basic groups linked therewith wherein the basic groups have the formula (I) ##STR1## with Z being an optionally substituted hydrocarbon chain having at least 2 carbon atoms,
Schwengers, Dieter. (1990). Cell culture microcarrier, method for preparing same and use thereof for (U.S. Patent No. 4910142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4910142
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile