Process for prepolymers and products

Details Process for prepolymers and products Process for prepolymers and products

Filed on

1976-07-26

Date issued

1977-12-06

Examiner

Griffin, Ronald W.

Patent Class

Chemistry of carbon compounds

SubClass

Miscellaneous organic carbon compounds

Other Related Categories

260 2D, 260 793R, 260873, 428457, C08G 7518

Type

Patent

Status

active

Patent number

040616240

Description

ABSTRACT:
Process for preparing linear terminally differentially electrophilically reactive prepolymers by reacting cyclic ethers or lactones comprising a major proportion of tetramethylene oxide with an initiator represented by the asymmetrical structure

REFERENCES:
patent: 3644567 (1972-02-01), Smith et al.
patent: 3824197 (1974-07-01), Smith et al.
patent: 3824198 (1974-07-01), Smith et al.
patent: 3824219 (1974-07-01), Smith et al.
patent: 3824220 (1974-07-01), Smith et al.

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