Highly disperse precipitated silica having high CTAB surface area, useful e.g. as filler in tires for commercial vehicles, motor cycles and high speed vehicles, and as antiblocking agents, and carriers for agrochemicals and foodstuffs

Germany Patent

APP PUB NO DE-10330222-A1
SERIAL NO

10330222

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Abstract

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Precipitated silica (I) has the following characteristics: BET surface area of 170-380 m2/g; CTAB surface area at least 170 m2/g; DBP-number 305-400 g/(100 g); Sears number V2 23-35 ml/(5 g). Independent claims are also included for the following: (1) preparation of (I); (2) elastomeric mixtures, vulcanized rubber mixtures and/or vulcanizates containing (I) as above; (3) tires, tires for commercial vehicles, tires for motor cycles, tires for high speed commercial vehicles, all containing (I) as above.

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Patent Owner(s)

Patent OwnerAddress
DEGUSSADEGERMAN F FAURE F HAIM

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Inventor(s)

Inventor Name Address
WEHMEIER ANDRE 50996 KÖLN
STENZEL OLEG 60327 FRANKFURT AM MAIN
UHRLANDT STEFAN BELLE MEAD NJ 08502
LUGINSLAND DETLEF HOBOKEN NJ 07030

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