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Rubberized roof underlayment   

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Abstract: An underlayment product comprises a fibrous mat having an upper surface and a lower surface. A rubberized asphalt coating is applied to the lower surface of the fibrous mat and extends at least partially into the fibrous mat. An oxidized asphalt coating is applied to the upper and lower surfaces of the fibrous mat generally encapsulating the fibrous mat including the rubberized asphalt coating provided on the lower surface of the fibrous mat. The oxidized asphalt layers may be coated with a release layer such as talc, granules or a polymer. ...

Agent: Bourque & Associates Intellectual Property Attorneys, P.A. - Manchester, NH, US
Inventors: Thomas J. Zickell, James A. Karlis
USPTO Applicaton #: #20070071946 - Class: 428143000 (USPTO) - 03/29/07 - Class 428 
Related Terms: Talc   Underlayment   
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Related Patent Categories: Stock Material Or Miscellaneous Articles, Structurally Defined Web Or Sheet (e.g., Overall Dimension, Etc.), Continuous And Nonuniform Or Irregular Surface On Layer Or Component (e.g., Roofing, Etc.), Particulate Matter
The Patent Description & Claims data below is from USPTO Patent Application 20070071946, Rubberized roof underlayment.

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Talc   Underlayment   


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