Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Patent
1998-12-10
2000-03-14
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
528383, 528392, C08G 7522, C08G 6702
Patent
active
06037442&
ABSTRACT:
Copolymers of sulfur dioxide and/or carbon monoxide and olefins, especially ethylene, can be made by contacting these monomers with a combination of selected strong Lewis acid and a selected metal or a compound of a selected metal. The resulting polymers, which are often alternating copolymers, are useful as molding resins.
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patent: 5216120 (1993-06-01), Drent et al.
patent: 5304615 (1994-04-01), Ambler et al.
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E. I. Du Pont de Nemours and Company
Teskin Fred
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