Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1991-11-21
1993-04-27
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528271, C08G 6306
Patent
active
052063410
ABSTRACT:
Copolymers from a hydroxy acid and a polycarboxylic component, method of preparation thereof, and use thereof are provided.
REFERENCES:
patent: 2363103 (1944-11-01), Watson
patent: 2433721 (1947-12-01), Watson
patent: 2449828 (1948-09-01), Watson
patent: 2453559 (1948-11-01), Watson
patent: 2555385 (1951-06-01), Watson
patent: 3284417 (1966-11-01), Hostettler et al.
patent: 3498957 (1970-03-01), Jacobson
patent: 3579549 (1971-05-01), Stockmann
patent: 4139525 (1979-02-01), Baczkai
patent: 4273920 (1981-06-01), Nevin
patent: 4507445 (1985-03-01), Andrews
Fukuzaki, Hironobu et al, A New Biodegradable Pasty-type Copolymer of L-Lactic Acid and .delta.-Valerolactone With Relatively Low Molecular Weight for Application in Drug Delivery Systems. Journale of Controlled Release, 10 (1989) 293-303.
Fukuzaki, Hironubu et al, Synthesis of Copoly(D,L-Lactic Acid) With Relatively Low Molecular Weight and In Vitro Degradation, Eur, Polym, J., vol. 25, No. 10, pp. 1019-1026, 1989.
Fukuzaki, Kironobu et al, Synthesis of low-molecular-weight copoly (L-lactic acid/.epsilon.-caprolactone) by direct copolycondensation in the absence of catalysts, and enzymatic degradation of the polymers, Polymer, 2990, vol. 31, Oct., pp. 2006-2014.
Fukuzaki, Hironobu et al, In vivo characteristics of low-molecular-weight copoly (-lactic acid/DL-hydroxyisocaproic acid) with parabolic-type and S-type degradation patterns, Makromol. Chem. 191, 731-736 (1990).
Fukuzaki, Hironobu et al, In vivo characteristics of low molecular weight copolymers composed of L-lactic acid and various DL-hydroxy acids as biodegradable carriers for drug delivery systems, Biomaterials 1990, vol. 11, Aug., pp. 441-446.
Fukuzaki, Hironobu et al, Direct Copolymerization of Glycolic Acid With Lactones In The Absence of Catalysts, Eur. Polym. J. vol. 26, No. 4, pp. 457-461, 1990.
Kazumichi, I. et al, Synthesis and in vitro degradations of low-molecular-weight copolyesters composted of L-lactic acid and aromatic hydroxy acids, Makromol. Chem. 191, 2077-2082 (1990).
Vancso-Szmercsanyi, I. et al, Metal-Containing Coordination Polymers. XIV.* Relations Between the Structure and the Melt Viscosity of Polyesters Containing MgIons, Journale of Polymer Science, Polymer Chemistry Edition, vol. 21, 1901-1911 (1983).
Connelly, R. W. et al, Melt Rheology of Ion-Containing Polymers. I. Effect of Ionic Content in a Model Polyesterionomer, Journal of Polymer Science: Polymer Physics Edition, vol. 20, 259-268 (1982).
Watson, Paul D., Lactic Acid Polymers As Constituents of Synthetic Resins and Coatings, Industrial and Engineering Chemistry, pp. 1393-1397, Aug. 1948.
Cottis, S. G. et al, Hydroxy Acids, Polymerization, Polymers, and Applications, pp. 311, 315, 316, 324, 348, 355-358.
Wanigatunga, S. et al, Siloxane-polypivololactone Thermoplastic Elastomers, Polymer Preprints, vol. 29, Nov. 2, pp. 320-321, Sep. 1988.
Blume, R. C, et al, Polypivalolactone Poly[1-Oxo-2,2-Dimethyltrimethylene)], Macromolecular, Syntheses, vol. 7, pp. 39-42.
Rao, K. Balakoteswara et al, Ionomeric Interpretation of Thickening of Polyesters by Alkaline Earth Metal Oxides, Journal of Polymer Science: Polymer Chemistry Edition, vol. 23, 2135-2150 (1985).
English Translation of Japanese 4-13710.
PCT/US91/06299 to E. I. DuPont de Nemours and Company.
Ibay Augusto C.
Tenney Linwood P.
Kight III John
Southern Research Institute
Weight Shelley
LandOfFree
Polymers from hydroxy acids and polycarboxylic acids does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polymers from hydroxy acids and polycarboxylic acids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymers from hydroxy acids and polycarboxylic acids will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2328360