US Patent No: 5,985,020

Number of patents in Portfolio can not be more than 2000

Plate-like titanium dioxide reduction pigment

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Abstract

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Plateletlike titanium dioxide reduction pigment consisting of titanium dioxide, titanium suboxides and, if desired, a further metal oxide or titanium oxynitride, obtainable by solidifying an aqueous solution of a thermally hydrolysable titanium compound on a continuous belt, detaching the resulting coat, coating the resulting titanium dioxide platelets, with or without drying in between, with further titanium dioxide by a wet method, drying and, if desired, calcining the material, and treating the material obtained with a reducing agent in a nonoxidizing gas atmosphere.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MERCK PATENT GMBHDARMSTADT2051

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andes, Stefanie Maintal, DE 3 117
Brenner, Gunter Griesheim, DE 11 189
Bruckner, Dieter Darmstadt, DE 20 316
Heyland, Andrea Ober-Kainsbach, DE 15 253
Hock, Sabine Schaafheim, DE 2 26
Kuntz, Matthias Seeheim, DE 60 653
Osterried, Karl Dieburg, DE 19 320
Pfaff, Gerhard Munster, DE 66 833
Schmelz, Michael Kriftel, DE 23 215

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BASF AKTIENGESELLSCHAFT (1)
* 4,978,394 Metal oxide coated aluminum pigments 67 1989
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
ENGELHARD CORPORATION (2)
7,014,700 Highly reflective interference pigments with dark absorption color 12 2004
* 2005/0154,082 Highly reflective interference pigments with dark absorption color 2 2004
 
WORTHINGTON TECHNOLOGIES, LLC (3)
7,468,175 Highly photosensitive titanium dioxide and process for forming the same 0 2007
* 8,012,451 Highly photosensitive titanium dioxide and process for forming the same 1 2007
* 2010/0285,955 HIGHLY PHOTOSENSITIVE TITANIUM DIOXIDE AND PROCESS FOR FORMING THE SAME 1 2007
 
BASF CORPORATION (1)
6,663,951 Two layer coating system having an enhanced visual effect 2 2000
 
Samhwa Paints Industries Co., LTD. (1)
* 6,613,301 Method for producing nanometer-sized ultrafine titanium dioxide 4 2001
 
L'OREAL (1)
8,956,633 Powdery cosmetic composition 0 2011
 
Nihonkoken Kougyo Kabushiki Kaisha (1)
* 2005/0061,205 Titanium oxide composition having high brilliant color, composition comprising coating and cosmetic composition, and method for their preparation 5 2004
 
MERCK PATENT GMBH (3)
* 6,238,472 Metal oxide coated titanium dioxide lamellas 15 1999
* 6,280,520 Multilayer pearl luster pigment based on an opaque substrate 24 1999
* 6,284,032 Multilayer interference pigments 13 2001
 
CIBA CORPORATION (1)
* 2010/0011,992 PIGMENT MIXTURES 8 2007
* Cited By Examiner