Aliphatic-aromatic copolyesters and cellulose ester/polymer blends
Patent 5599858 Issued on February 4, 1997. Estimated Expiration Date: April 26, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
524/41, Acetate524/37, Carboxylic acid ester524/38, Mixed carboxylate ester524/39, Acetate524/40, At least one solid polymer derived from ethylenic reactants only524/47, Starch or derivative or farinaceous meal or flour524/51, Ester524/425, Calcium carbonate, e.g., limestone, marble, etc.528/301, Acyclic ether-oxygen compound528/302, Two or more carboxylic acid or derivatives or mixtures thereof528/308, Aryl-containing carboxylic acid or derivative of an aryl-containing dicarboxylic acid528/308.6, Contains terephthalic acid or substituted forms thereof528/308.7Derived from at least two reactants simultaneously containing a C-OH group
This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
Other References
G. R. Brannock et al., Macromolecules, 23, pp. 5240-5250 (1990)
D. S. Hubbell et al., J. Appl. Polym. Sci., 21, pp. 3035-3061 (1977)
R. D. Fields et al., "Proceedings of the Third Int. Biodegradation Symposium", Sharpley et al., Eds., Applied Science, Barking, England, pp. 775-784 (1976)
Reed and Gilding, Polymer, 22, p. 499 (1981)
Tokiwa and Suzuki, J. Appl. Polymer Sci., 26, pp. 441-448 (1981)
Droscher and Horlbeck, Ange. Makromol. Chemic, 128, pp. 203-213 (1984)
A. M. Reed et al., Trans. Am. Soc. Artif. Intern. Organs, vol. XXIII, pp. 109-115 (1977)
F. Stutzenberger et al., J. Appl. Bacteriology, 61, pp. 225-233 (1986)
M. Kunioka et al., Appl. Microbiol. Biotechnol., 30, pp. 569-573 (1989)
K. Fritzsche et al., Makromol. Chem., 191, pp. 1957-1965 (1990)
M. J. deSmet, Journal of Bacteriology, pp. 870-878, May, 1983
R. A. Gross et al., Macromolecules, 22, pp. 1106-1115 (1989)
H. Brandl et al., Int. J. Biol. Macromol., 11, pp. 49-55 (1989)
L. G. Ljungdahl et al., Current Micobiology, 9, pp. 195-200 (1983
April 26, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
