Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2004-02-13
2009-06-23
Sellers, Robert (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C428S297400, C524S375000, C524S378000, C524S548000, C524S589000, C524S590000, C524S594000, C524S601000, C524S606000, C525S423000
Reexamination Certificate
active
07550522
ABSTRACT:
A resin composition comprising: (i) one or more polymerisable liquid thermoset resin components; (ii) optionally one or more curing agents for said one or more polymerisable liquid resin components; and (iii) at least one gelator, wherein said gelator interacts within said composition to form a gel at ambient temperatures, said gel being thermally reversible such that the gelled composition can undergo a transition from the gelled state to a state of lower viscosity when the composition is treated to facilitate the cure of said polymerisable resin component.
REFERENCES:
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patent: 2290289 (1942-07-01), McQueen
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patent: 4987198 (1991-01-01), Izukawa et al.
Terech et al., “Low Molecular Mass Gelators of Organic Liquids and the Properties of Their Gels,” Chem. Rev. 1997, vol. 97, pp. 3133-3159.
Batchford Tanya
Cawse John
Green George
Hadley Philip
Bielawski W. Mark
Hexcel Composites Ltd
Oldenkamp David J.
Sellers Robert
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