Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymer of an ethylenically unsaturated reactant with a...
Patent
1989-12-18
1991-06-18
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymer of an ethylenically unsaturated reactant with a...
528271, 528425, C08G 6702
Patent
active
050250922
ABSTRACT:
Polyesters or polyanhydrides are produced by reaction of unsaturated alcohol or unsaturated carboxylic acid of defined structure, respectively, with carbon monoxide in the presence of a catalyst composition formed from a palladium salt, a monodentate phosphorus ligand optionally mixed with bidentate phosphorus ligand, and an oxygen-containing acid having a pKa below 2.
REFERENCES:
patent: 4634780 (1987-01-01), Alper et al.
patent: 4841020 (1989-06-01), Drent
Breed Anthonius J. M.
Drent Eit
Anderson Harold D.
Shell Oil Company
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