Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2007-01-30
2007-01-30
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S272000, C524S522000, C428S349000, C428S35500R
Reexamination Certificate
active
10267001
ABSTRACT:
In a process for the manufacture of aqueous floor covering adhesives without the addition of solvents, high-boiling solvents, or plasticizers and with the use of a non-carboxylated styrene/butadiene (SBR) dispersion and of an agent providing initial adhesion, a melt of the agent providing initial adhesion, for example a resin with a melting point of 45 to 98° C., is added to the SBR dispersion under high shear forces for the purpose of obtaining a durably stable emulsion which provides not only high initial adhesion, but also high final strength.
REFERENCES:
patent: 4709084 (1987-11-01), Pavlin et al.
patent: 5935312 (1999-08-01), Krieger
patent: WO 97/40113 (1997-10-01), None
patent: WO 97/40113 (1997-10-01), None
Billecke Jochem
Oberste-Padtberg Rudiger
Smith David Allen
Tarczewski Kenneth A.
Wanke Thomas
Ardex GmbH
Cillo Daniel P.
Eckert Seamans Cherin & Mellott , LLC
Harlan Robert D.
Silverman Arnold B.
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