Patent ID: 8802121
Filing Date: 2014-08-12
Classification: A61K,A61L,A61P,C07K,Y10T

Abstract:
1. An implantable or injectable biomedical article comprising a polymeric matrix formed from a composition comprising a hydrophobic derivative of a natural biodegradable polysaccharide comprising: a poly-α(1→4)glucopyranose portion comprising a monomeric unit according formula IIa as follows: wherein R 5 is —(CH 2 ) x CH 3 , and x is an integer in the range of 0-11; and and wherein R 6 and/or R 7 is wherein R 8 is S or O, R 9 is C, O, N, or a covalent bond, y is an integer in the range of 2-8, wherein R 1 , R 2 , and R 3 , are independently selected from R 4 or OR 4 , wherein R 4 is a C1-C6-containing hydrocarbon group, with the proviso that at least one of R 1 , R 2 , or R 3 is OR 4 , and if R 6 or R 7 is not as defined above, then R 6 or R 7 is H.