Roofing mat and the process for making a roofing mat using...

Paper making and fiber liberation – Processes and products – Mineral fiber

Reexamination Certificate

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C428S147000

Reexamination Certificate

active

07964061

ABSTRACT:
Provided is thermosetting urea-formaldehyde (UF) resin binder formulation modified with a thickener. The formulation preferably has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is preferably prepared from a binder composition exhibiting a viscosity of from 175 to 250 cP.

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