Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1986-05-09
1987-06-30
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
549274, C08G 6308
Patent
active
046771905
ABSTRACT:
The synthesis of novel strained bicyclic lactones and their ring-opening polymerization to high molecular weight polyester polymers is disclosed.
REFERENCES:
patent: 4089971 (1978-05-01), Thies et al.
patent: 4241097 (1980-12-01), Sprecker et al.
patent: 4264456 (1981-04-01), Sprecker et al.
patent: 4362882 (1982-12-01), Schaper et al.
patent: 4387215 (1983-06-01), Bailey
Hall, Jr. Henry K.
Okada Masahiko
Sumitomo Hiroshi
Nielsen Earl
University Patents Inc.
Yahwak George M.
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