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
2005-01-18
2005-01-18
Yoon, Tae H. (Department: 1714)
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...
C524S358000, C524S819000, C524S820000, C524S822000, C524S823000, C524S824000, C264S299000
Reexamination Certificate
active
06844385
ABSTRACT:
A latex for dip forming which comprises a copolymer prepared by polymerizing 10 to 90% by weight of a conjugated diene monomer, 0.1 to 20% by weight of an ethylenically unsaturated acid monomer and 10 to 89.9% by weight of other ethylenically unsaturated monomer or monomers copolymerizable therewith, wherein the sum of the amount of acid groups bonded to or adsorbed on the surface of the copolymer constituting the latex and the amount of acid groups present in the aqueous phase of the copolymer latex is in the range of 0.1 to 2 meq. in terms of hydrochloric acid, per gram of the copolymer. This latex is dip-formed to give a dip-formed article having no fear of development of a protein allergy, and exhibiting a soft feeling and a high mechanical strength.
REFERENCES:
patent: 3984609 (1976-10-01), Branlard et al.
patent: 4436857 (1984-03-01), Kuan et al.
patent: 5369166 (1994-11-01), Ozawa et al.
patent: 5-247266 (1993-09-01), None
Hagiwara Katuo
Ota Hisanori
Yoon Tae H.
Zeon Corporation
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