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...
Patent
1997-10-29
1999-08-03
Nakarani, D. S.
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...
524499, 524505, C08K 501
Patent
active
059326468
ABSTRACT:
A composition of matter for waterproofing a surface of a wall comprising from about 30 to about 55 parts by weight of a polymeric base, said polymer base including from about 20 to about 45 parts by weight of a hydrocarbon resin, and from about 55 to about 80 parts by weight of a copolymer; and from about 45 to about 70 parts by weight of a solvent system, said solvent system including a blend of petroleum distillates and heptane.
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Letter of protest by Michael G. Roberts protesting the allowance of U.S. Appln. No. 632,130 and attachments (U.S. 5,352,531).
Nakarani D. S.
R.P.C. Inc.
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