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:
Nov. 23, 2010
Filed:
Aug. 31, 2006
Applicants:
Jukka Holappa, Kuopio, FI;
Tomi Järvinen, Kuopio, FI;
Tapio Nevalainen, Hiltulanlahti, FI;
Jouko Savolainen, Kuopio, FI;
Rustam Safin, Kuopio, FI;
Inventors:
Jukka Holappa, Kuopio, FI;
Tomi Järvinen, Kuopio, FI;
Tapio Nevalainen, Hiltulanlahti, FI;
Jouko Savolainen, Kuopio, FI;
Rustam Safin, Kuopio, FI;
Assignee:
Archimedes Development Limited, Nottingham, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 19/04 (2006.01); C07H 19/048 (2006.01); C07H 19/052 (2006.01); C07H 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel quaternized polymers, especially of chitin/chitosan type, and to carbohydrate polymers carrying quaternized ammonium groups, especially piperazinium groups. Such polymers are characterized i.a. by improved solubility characteristics.