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US 2014/0109980 A1Published application
Cured-in place pipe rehabilitation process
AssigneeDow Global Technologies LLC
InventorsKrishnan Karunakaran, Rajesh H. Turakhia
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Abstract
The invention relates to a process comprising: (a) preparing a curable epoxy-anhydride thermoset composition; and (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process is disclosed. The cured-in-place pipe application utilized can generally be the ‘Inversion Installation Method,’ or the ‘Pull-in Installation Method’. The invention also relates to a cured-in-place pipe that is prepared by this process.
Claims20
A process comprising:
- (a) preparing a curable epoxy-anhydride thermoset composition;
- and
- (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process.
Dependencies are inferred from the claim text.