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. 10, 1998
Filed:
Aug. 02, 1996
Applicant:
Inventors:
Jochen Kalbe, Essen, DE;
Reinhard Koch, Koln, DE;
Hanns Peter Muller, Odenthal, DE;
Jurgen Engelhardt, Fallingbostel, DE;
Wolfgang Koch, Bomlitz, DE;
Volkhard Muller, Bomlitz, DE;
Assignee:
Wolff Walsrode AG, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 32 ; 536 33 ; 536 48 ; 536 49 ; 536 58 ; 536 59 ; 536 63 ; 536 64 ; 536 65 ; 536 66 ; 536 68 ; 536 69 ; 536108 ; 536109 ; 536110 ; 424488 ; 427391 ;
Abstract
The present invention relates to thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters, which are characterised in that they can be represented by the general structure ##STR1## wherein Polysaccharide-O represents the substituted OH groups of a polymeric saccharide unit and wherein A is a linear polyether chain of the following structure