EP0203833A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Radiopaque thermoset polymer
Assignee: Dow Chemical Co
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Filing: 1986-03-28
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Granted: —
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Expires: 2006-03-28
Abstract
Abstract A composition comprising a thermoset polymer prepared by copolymerizing a solution of an iodine containing, crosslinkable, unsaturated polyester resin dissolved in a vinyl monomer. The composition has been found to be useful as radiopaque agents and in the manufacture of radiopaque, flame retardant articles.
Inventors
- 👤 Eric R. Larsen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 15:36
CPC Classifications
A; A61; A61K; A61K49/00; A61K49/04; A61K49/0433; A61K49/0442; C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
25 words
A composition comprising a thermoset polymer prepared by copolymerizing a solution of an iodine containing crosslinkable unsaturated polyester resin solids dissolved in a vinyl monomer.
Claim 2
Dependent Claim
25 words
A composition comprising a thermoset polymer prepared by copolymerizing a solution of an iodine containing crosslinkable unsaturated polyester resin solids dissolved in a vinyl monomer.
Claim 3
Dependent Claim
29 words
The composition of Claim 1 wherein the unsaturated polyester resin solids are prepared by reacting pentaerythritol diiodohydrin with maleic anhydride and phthalic anhydride; and the vinyl monomer is styrene.
Claim 4
Dependent Claim
30 words
The composition of Claim 1 or 2 wherein the polyester resin solids contain from 50 to 60 weight percent bound iodine and have an acid number of less than 60.
Claim 5
Dependent Claim
24 words
The composition of Claim 3 wherein the solid particles of the cured polymer have a particle size of less than 200 mesh (74 micron).
References Cited (Backward Citations)
US3891605A
Cited
US4406878A
Cited
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