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US Patent 5081171 - Composition for sealing of painted or metal surfaces
US Patent Issued on January 14, 1992
Estimated Patent Expiration Date:
February 14, 2009Estimated 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.
Estimated Patent Expiration Date:
February 14, 2009Estimated 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.AbstractA liquid composition for protecting a positively charged surface, the composition comprising: negatively charged polytetrafluoroethylene polymer resin particles and at least one member of the group consisting of methyltrimethoxysilane and an amino functional polysiloxane; whereby the negatively charged polytetrafluoroethylene molecules fuse to the surface upon exposure to ambient temperatures above about 68 degrees Fahrenheit.Other References
| InventorApplicationNo. 311150 filed on 02/14/1989US Classes:524/188, Silicon atom524/265, Oxygen atom other than as Si-O-Si and at least one Si-C or Si-H group524/546Four or more fluorine atomsField of Search524/546, Four or more fluorine atoms524/261, Organic silicon compound having at least one oxygen atom DNRM524/262, Atom other than Si, O, C, or H524/506, With solid polymer derived from at least one Si-H or Si-C reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI or SICP derived from a Si-H or Si-C reactant wherein at least one of the necessary reactants is saturated524/188, Silicon atom524/265, Oxygen atom other than as Si-O-Si and at least one Si-C or Si-H group427/387Silicon compound containing coatingExaminersPrimary: Lawrence, Evan K.Attorney, Agent or FirmUS Patent References3560249, 3925292, 3968069, Positively charged aqueous dispersions of polytetrafluoroethylene and method for preparing the sameIssued on: 07/06/1976 Inventor: Grimaud , et al.4104225, Method of making a coating composition containing a fluorocarbon polymer resin and an aluminum containing binder Issued on: 08/01/1978 Inventor: Conbere4284668Paint sealant with Teflon T.F.E Issued on: 08/18/1981 Inventor: Nixon International ClassesC08K 005/54C08L 027/18 |
