Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2011-07-12
2011-07-12
Cano, Milton I (Department: 1763)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
C134S038000, C134S039000, C134S040000, C510S201000, C510S202000
Reexamination Certificate
active
07977294
ABSTRACT:
The present invention includes a process using environmentally friendly materials for the removal of adhesive residues from hard substrates, particularly vehicles, e.g., cars, trucks, buses, aerospace vehicles including airplanes, and the like. The process uses a novel adhesive remover composition comprising one or more non-halogenated organic solvents, a non-abrasive thickening agent, a surfactant, and a vapor-pressure modulating agent. The total Hansen Solubility Parameter (δt) at 25° C. for each of the non-halogenated organic solvents is from about 14 MPa1/2to about 24 MPa1/2. The invention provides a cost effective, safe, environmentally friendly adhesive remover composition specifically formulated for removal of, e.g., pressure sensitive adhesive residues from large areas of aircraft composite and aluminum surfaces, as well as others.
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Dufresne Ralph E.
Egan William M.
Cano Milton I
McNees Wallace & Nurick LLC
Nguyen Thuy-Ai N
The Boeing Company
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