Family

Loading Family data...

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

• EVONIK CARBON BLACK GMBH

International Classification(s)

• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kalbitz, Werner	Rodenbach, DE	14	311
Karl, Alfons	Gruendau, DE	35	462
Kleinhenz, Horst	Grosskrotzenburg, DE	7	191
Luedtke, Stephan	Biebergemeund, DE	1	52
McIntosh, Ralph	Hanau, DE	14	255
Tauber, Gerd	Seligenstadt, DE	15	322

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 24, 2004	US,6780389,B2   US6780389B2	GRANTED PATENT AS SECOND PUBLICATION
January 29, 2004	US,20040018140,A1   US20040018140A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6780389

Process for the production of modified carbon black

---

 

Legal Events