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 GMBHDARMSTADT1740

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andes, Stefanie Maintal, DE 3 101
Brenner, Gunter Griesheim, DE 13 153
Bruckner, Dieter Unterleiterbach, DE 28 228
Heyland, Andrea Reichelsheim, DE 17 205
Hock, Sabine Schaafheim, DE 2 17
Kuntz, Matthias Seeheim-Jugenheim, DE 75 534
Osterried, Karl Dieburg, DE 23 263
Pfaff, Gerhard Muenster, DE 82 658
Schmelz, Michael Griesheim, DE 28 176

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BASF AKTIENGESELLSCHAFT (1)
* 4,978,394 Metal oxide coated aluminum pigments 66 1989
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
MERCK PATENT GMBH (3)
* 6,238,472 Metal oxide coated titanium dioxide lamellas 10 1999
* 6,280,520 Multilayer pearl luster pigment based on an opaque substrate 20 1999
* 6,284,032 Multilayer interference pigments 13 2001
 
WORTHINGTON TECHNOLOGIES, LLC (2)
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 0 2007
 
BASF CORPORATION (1)
6,663,951 Two layer coating system having an enhanced visual effect 2 2000
 
ENGELHARD CORPORATION (1)
7,014,700 Highly reflective interference pigments with dark absorption color 8 2004
 
SAMHWA PAINTS IND. CO., LTD. (1)
* 6,613,301 Method for producing nanometer-sized ultrafine titanium dioxide 4 2001
* Cited By Examiner