Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1985-07-03
1987-06-30
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528354, C08G 6306
Patent
active
046771913
ABSTRACT:
A copolymer of lactic acid and glycolic acid which has a weight-average molecular weight of not less than about 5000 and a dispersity of about 1.5 to 2 is advantageously used as a biodegradable polymer for medical preparation.
REFERENCES:
patent: 1995970 (1935-03-01), Dorough
patent: 2362511 (1939-11-01), Teeters et al.
patent: 2438208 (1948-03-01), Filachione et al.
patent: 2703316 (1955-03-01), Schneider
patent: 2758987 (1956-08-01), Salzberg
patent: 3636956 (1972-01-01), Schneider
patent: 3839297 (1974-10-01), Wasserman et al.
patent: 4137921 (1979-02-01), Okuzumi et al.
patent: 4273920 (1981-06-01), Nevin
Asahara et al., "Production of Polyglycolide.Lactide and Properties of the Product", J. Chem. Soc. Japan, 65 (1965), No. 5, pp. 983-986.
Miyagawa Tsutomu
Ogawa Yasuaki
Tanaka Motoaki
Watanabe Toshio
Nielsen Earl
Takeda Chemical Industries Ltd.
Wada Pure Chemical Ind., Ltd.
LandOfFree
Copolymer and method for producing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Copolymer and method for producing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Copolymer and method for producing the same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-448487