Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1998-07-22
2000-05-16
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
528190, 528193, 528194, 528195, 528219, 528275, 528298, 528302, 528303, 528306, 528307, 528308, 5283086, 524777, 524779, 524788, 430107, 430114, 522104, 522165, C08F 246, C08G 6300, C08J 509
Patent
active
060638273
ABSTRACT:
A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and (iii) subsequently polycondensing the resulting mixture with a dicarboxylic acid.
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Bayley Robert D.
Foucher Daniel A.
Kittelberger J. Stephen
Li Dongming
Saban Marko D.
Acquah Samuel A.
Palazzo E. O.
Xerox Corporation
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