Release composition
Patent 5866261 Issued on February 2, 1999. Estimated Expiration Date: 
December 20, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 20, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSilicone epoxy curable compositions Curable two-part silicone rubber compositions with improved adhesion properties Polyorganosiloxane compositions for surface treatment Platinum catalyzed heterocyclic compound compositions Method of using epoxysilicone controlled release composition Patent #: 5279860 InventorsAssigneeApplicationNo. 772342 filed on 12/20/1996US Classes:428/447, As siloxane, silicone or silane522/31, Specified rate-affecting material contains onium group522/53, Hetero sulfur ring522/148, Processes of treating a solid polymer or SICP derived from silicon containing reactant; or compositions therefore525/476, Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom525/478, Wherein one of said silicon materials contains Si-H bond528/31Silicon reactant contains a silicon-to-hydrogen bondExaminersPrimary: Glass, Margaret W.Attorney, Agent or FirmInternational ClassB32B 009/04AbstractA composition of matter comprising:(a) about 60 to about 99 parts by weight of a curable epoxypolyorganosiloxane;(b) about 1 to about 40 parts by weight of a crosslinkable silicone hydride resin having no epoxy functionality; and(c) about 0.1 to about 5 parts by weight of an curing agent, which, upon exposure to actinic radiation is capable of curing components (a) and (b);wherein the total amount of components (a) and (b) is 100 parts by weight and wherein said composition demonstrates surface release properties when coated and cured onto a substrate is provided. The composition is particularly useful in articles of manufacture where release properties are desired.Field of SearchWherein one of said silicon materials contains Si-H bondMixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom Material contains a phosphorus atom Hetero sulfur ring Processes of treating a solid polymer or SICP derived from silicon containing reactant; or compositions therefore Specified rate-affecting material contains onium group As siloxane, silicone or silane | |
