Dihydroxyacetone-based polymers

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters

Reexamination Certificate

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Details

C558S260000, C558S263000, C558S265000, C528S196000, C528S201000, C528S371000, C528S372000, C528S373000, C528S274000

Reexamination Certificate

active

07659420

ABSTRACT:
Chemically protected dihydroxyacetone and/or dimers are used to make polycarbonates, poly(acetal carbonate)s, poly(spiroacetal)s, polyesters and polyurethanes.

REFERENCES:
patent: 5458872 (1995-10-01), Durand
patent: 6037467 (2000-03-01), Stahl et al.
patent: 6087465 (2000-07-01), Seppala et al.
patent: 6231837 (2001-05-01), Stroud et al.
patent: 2004/0253203 (2004-12-01), Hossainy et al.
1499.
Akar, Ahmet, et al., “Synthesis of a polyspiroacetal”, Makromol. Chem., Rapid Commun., 10, 127-130 (1989).
Burk, Robert M., et al., “A Safe and Efficient Method for Conversion of 1,2- and 1,3- Diols to Cyclic Carbonates Utilizing Triphosgene”, Tetrahedron Letters, vol. 34, No. 3, pp. 395-398, 1993.
Ferroni, Edward L., et al., “A Three-Step Preparation of Dihydroxyacetone Phosphate Dimethyl Acetal”, J. Org. Chem., 1999, 64, 4943-4945.
Liu, Zhi-Lan, et al., “Synthesis and Properties of Functional Aliphatic Polycarbonates”, J. of Poly. Sci.: Part A: Poly. Chem., vol. 1, 4001-4006 (2003).
Jung, Sang-Hun, et al., “An Efficient Multigram-Scale Preparation of Dihydroxyacetone Phosphate”, J. Org. Chem. 1994, 59, 7182-7184.
Strain, H.H., et al., “Polymerization of Dihydroxyacetone”, J. Am. Chem. Soc. 56, 2649-2650 (1934).
Waagen, Viggo, et al., “Dihydroxyacetone dimers; Solution and Crystal Structure of Stereoisomers of 2,5-Diethoxy-1,4-Dioxane-2,5-Dimethanol”, Tetrahedron, vol. 50, No. 33, pp. 10055-10060, 1994.
Wang, Lian-Sheng, et al., “Novel Biodegradable Aliphatic Polycarbonate Based on Ketal Protected Dihydroxyacetone”, Macromol. Rapid Commun. 2004, 25, 959-963.
Yuasa, Hideya, et al., “Studies on the Unusual Stability of cis-2,5-Diethoxy-2,5- bis(hydroxymethyl)-1,4-dioxane”, Tetrahedron 55 (1999) 2193-2204.
Zelikin, Alexander N., et al., “A Functionalizable Biomaterial Based on Dihydroxyacetone, an Intermediate of Glucose Metabolism”, Biomacromolecules 2006, 7, 3239-3244.
Zawaneh, Peter N., et al., “Diblock Copolymers Based on Dihydroxyacetone and Ethylene Glycol: Synthesis, Characterization, and Nanoparticle Formulation”, Biomacromolecules 2006, 7, 3245-3251.

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