Modified natural rubber latex and method for producing the...

Details Modified natural rubber latex and method for producing the... Modified natural rubber latex and method for producing the...

2005-11-25

2011-10-18

Mulcahy, Peter D (Department: 1762)

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...

C525S333100, C525S333900, C525S351000

Reexamination Certificate

active

08039546

ABSTRACT:
This invention provides a modified natural rubber latex formed by charging a polar group-containing mercapto compound into a natural rubber latex to add the polar group-containing mercapto compound to a natural rubber molecule in the natural rubber latex, a modified natural rubber formed by coagulating and drying the modified natural rubber latex, and the rubber composition using the modified natural rubber and being excellent in the low loss factor, wear resistance and fracture characteristics.

REFERENCES:
patent: 6184296 (2001-02-01), Obrecht et al.
patent: 2004/0266937 (2004-12-01), Yagi et al.
patent: 820261 (1959-09-01), None
patent: 820262 (1959-09-01), None
patent: 1030196 (1966-05-01), None
patent: 2-49040 (1990-02-01), None
patent: 3-103402 (1991-04-01), None
patent: WO 98/18860 (1998-05-01), None

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