Floor covering adhesive

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

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Details

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

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