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US 11,597,859 B2Granted
Solvent cement formulations having extended shelf life
AssigneeOatey Co.
InventorAmrit Parhar
Life of this patent
Estimating the term…
Abstract
Disclosed are solvent cement formulations having beneficial stability and performance characteristics that include a thermoplastic resin, one or more organic solvents, an inhibitor of an oxidation-reduction reaction, and a heat stabilizer.
Claims20
A solvent cement formulation comprising:
- chlorinated polyvinyl chloride (CPVC) resin;
- one or more organic solvents;
- a heat stabilizer;
- and
- ascorbic acid to inhibit an oxidation-reduction reaction.
2 more elements
A solvent cement formulation comprising:
- chlorinated polyvinyl chloride (CPVC) resin;
- one or more organic solvents;
- a heat stabilizer;
- and
- at least one of an ascorbate, a polyunsaturated fatty acid, Vitamin E, or lecithin for inhibiting an oxidation-reduction reaction.
2 more elements
A solvent cement formulation comprising:
- chlorinated polyvinyl chloride (CPVC) resin;
- one or more organic solvents, wherein the one or more organic solvents do not include tetrahydrofuran (THF);
- a heat stabilizer;
- and
- ascorbic acid to inhibit an oxidation-reduction reaction.
2 more elements
Dependencies are inferred from the claim text.