Thermoset material based on antiplasticizing polythiourethane and ophthalmic lens comprising an antiplasticized thermoset material
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United States of America Patent
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Nov 24, 2009
Grant Date -
Nov 30, 2006
app pub date -
Sep 29, 2004
filing date -
Oct 3, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a thermoset plastic material, comprising a three-dimensional matrix containing sulphur atoms and at least one anti-plasticizing additive which is unreactive toward said matrix.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- B60C:VEHICLE TYRES
- G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
- B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B01D:SEPARATION
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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