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US 9,586,751 B1Granted
Dispensing systems and uses for sealant compositions
OwnerPhilip Swiftinventor
Life of this patent
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Abstract
Dispensing systems for sealants, including room temperature vulcanizable (RTV) silicone sealants, are disclosed. These systems are not only simple to use, but also improve the precision with which the user can dispense product, resulting in a more satisfactory appearance and reduced product waste.
Claims20
A dispensing system comprising a container that contains, under superatmospheric pressure, a room temperature vulcanizable (RTV) silicone sealant composition comprising polyorganosiloxane molecules having at least one terminal moiety of Formula I(a) or Formula I(b):
- wherein HYDROL is a hydrolyzable group that is released upon exposure to ambient moisture, providing a cross-linking site, and R in Formula I(a) is a hydrocarbon radical, and oxygenated hydrocarbon radical, or a halogenated hydrocarbon radical;
- and
- wherein the composition further comprises a propellant.
Dependencies are inferred from the claim text.