Stabilized poly (.beta.-methyl-.delta.-valerolactone)

Details Stabilized poly (.beta.-methyl-.delta.-valerolactone) Stabilized poly (.beta.-methyl-.delta.-valerolactone)

1988-03-11

1991-03-05

Gray, Bruce

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6900

Patent

active

049979710

ABSTRACT:
Polyester polyols containing the following recurring unit derived from .beta.-methyl-.delta.-valerolactone

REFERENCES:
patent: 3193522 (1965-07-01), Neumann et al.
patent: 3193523 (1965-07-01), Neumann et al.
patent: 4551518 (1985-11-01), Matsumoto et al.
patent: 4704445 (1987-11-01), Komiya et al.
Organic and Biological Chemistry, Campbell, Tod W. et al., vol. 84, Oct. 5, 1962, pp. 3673-3677.
Patent Abstracts of Japan, vol. 11, No. 246 (C-439) (2693) 11 Aug. 1987; & JP-A-6253321 (Kuraray Co. Ltd.) 09.03.1987; (Cat. A).
Patent Abstracts of Japan, vol. 10, No. 172 (C-354) (2228) 18 Jun. 1986; & JP-A-6123619 (Kuraray K. K.) 01.02.1986.
Patent Abstracts of Japan, vol. 4, No. 159 (C-30) (641) 6 Nov. 1980; & JP-A-55104315 (Daicel K. K.) 09.08.1980.
Patent Abstracts of Japan, vol. 9, No. 188 (C-295) (1911) 3 Aug. 1985; & JP-A-6055026 (Kuraray K. K.) 29.03.1985.
Patent Abstracts of Japan, vol. 10, No. 123 (C-344) (2180) 8 May 1986; & JP-A-60248727 (Kuraray K. K.) 09.12.1985.
Patent Abstracts of Japan, vol. 11, No. 89 (C-411) (2536) 19 Mar. 1987; & JP-A-61241354 (Daicel Chem. Ind. Ltd.) 27.10.1986; (Cat. A).
Polymerization of .delta.-Valerolactone and Preparation of a Thermostable Derivative from its Polyester, by Kazuo Saotome and Yasuto Kodaira-pp. 41-52 from the Technical Research Laboratory, Asahi Chemical Industry Co., Tokyo, Japan, 5/11/64.

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