Wall papering 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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C524S035000, C524S047000, C524S379000, C524S386000, C524S388000, C524S559000

Reexamination Certificate



Compositions for securing pre-pasted and non-pre-pasted wall coverings to a surface that is to be decorated are provided. The present compositions are aqueous colloidal dispersions or polymeric solutions comprising from about 3% to about 30% solids. The present compositions comprise water, an alkali, from about 2.5% to about 25% by weight of an alkali-soluble, polyvinyl acetate-crotonic acid copolymer, a thickener, and a glycol.

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Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold Co., 1993. pp. 187-188, 566-567, 970-971.


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