Use of titanium dioxide as anti-UV agent in a rubber...

Details Use of titanium dioxide as anti-UV agent in a rubber... Use of titanium dioxide as anti-UV agent in a rubber...

2007-02-20

2007-02-20

Mulcahy, Peter D. (Department: 1713)

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...

C524S431000, C524S432000, C524S433000

Reexamination Certificate

active

10897751

ABSTRACT:
The invention concerns the use as anti-UV agent, in an elastomer rubber composition, of titanium dioxide particles of not more than 20 mn in size, said particles being coated with a silica, silico-aluminate or alumina layer. The invention also concerns rubber compositions comprising such an anti-UV agent and finished products based on said composition.

REFERENCES:
patent: 3650793 (1972-03-01), Goodspeed et al.
patent: 3876442 (1975-04-01), Thomas
patent: 5451632 (1995-09-01), Okumura et al.
patent: 5536448 (1996-07-01), Takahashi et al.
patent: 6433068 (2002-08-01), Morrison et al.
patent: 6624235 (2003-09-01), Waddell et al.

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