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USPatent applicationPatented

Hydrophobic-treated metal oxide

Granted 6 Oct 2015 · 14 office actions

Assignee: Cabot Corporation

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Inventors: William R. Williams, Joachim K. Floess, Hairuo Tu, Dmitry Fomitchev · Examiner: Ronak Patel · AU 1788 · TC 1700

Application· this page
11/774,465
filed 6 Jul 2007
Publication
US 20080070146 A1
published 20 Mar 2008
Patent
US 9,150,731
granted 6 Oct 2015
Patented
Status
granted 6 Oct 2015
3,014
Days in prosecution
filing to grant
51
Claims as granted
3 independent
202
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transactions
2027
20-year term
term adjustment not held
none
Litigation
checked

Life of the application

32 dated events
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Abstract

This invention provides metal oxide particles surface-treated with a hydrophobicity-imparting agent, methods of making such, and toner compositions comprising the same.

Claims as granted

51 claims

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Classifications

6 codes
IPC · International Patent Classification
Section B — Performing operations; transporting
  • B82Y30/00
Section C — Chemistry; metallurgy
  • C09C3/12
  • C01B33/14
  • C09C1/30
Section G — Physics
  • G03G9/097
  • G03G9/113

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Pendency
8.3 y
3,014 days filing → grant
Office actions
10
after a restriction
Responses
9
1 RCE
Interviews
4
examiner interview summaries
Examiner
Ronak Patel
art unit 1788 · TC 1700
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Citations: 304 back · 0 forward

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Documents

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Chain of title

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