C09C 3/00
Treatment in general of inorganic materials, other than fibrous fillers, to enhance
Official title: Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
C09C3/00 (Treatment in general of inorganic materials, other than fibrous fillers, to enhance) appears on 2,387 US grants and 2,467 published applications in this corpus.
Search patents in C09C- Granted patents
- 2,387
- Published applications
- 2,467
- Assignees
- 1,244
- Inventors
- 6,554
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 28 | 0 |
| 1978 | 32 | 0 |
| 1979 | 30 | 0 |
| 1980 | 21 | 0 |
| 1981 | 22 | 0 |
| 1982 | 18 | 0 |
| 1983 | 24 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 21 | 0 |
| 1989 | 31 | 0 |
| 1990 | 22 | 0 |
| 1991 | 26 | 0 |
| 1992 | 22 | 0 |
| 1993 | 42 | 0 |
| 1994 | 54 | 0 |
| 1995 | 39 | 0 |
| 1996 | 38 | 0 |
| 1997 | 38 | 0 |
| 1998 | 53 | 0 |
| 1999 | 49 | 0 |
| 2000 | 62 | 0 |
| 2001 | 52 | 13 |
| 2002 | 45 | 41 |
| 2003 | 38 | 80 |
| 2004 | 40 | 82 |
| 2005 | 37 | 73 |
| 2006 | 31 | 97 |
| 2007 | 51 | 81 |
| 2008 | 43 | 98 |
| 2009 | 37 | 96 |
| 2010 | 42 | 123 |
| 2011 | 56 | 91 |
| 2012 | 57 | 78 |
| 2013 | 57 | 89 |
| 2014 | 77 | 94 |
| 2015 | 70 | 116 |
| 2016 | 70 | 91 |
| 2017 | 91 | 123 |
| 2018 | 92 | 104 |
| 2019 | 84 | 106 |
| 2020 | 75 | 115 |
| 2021 | 91 | 89 |
| 2022 | 75 | 157 |
| 2023 | 63 | 143 |
| 2024 | 80 | 133 |
| 2025 | 96 | 81 |
| 2026 | 72 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09C 3/08Treatment with low-molecular-weight non-polymer organic compounds700
- C09C 3/10Treatment with macromolecular organic compounds673
- C09C 3/12Treatment with organosilicon compounds600
- C09C 3/06Treatment with inorganic compounds591
- C09C 3/04Physical treatment435
- C09C 3/006Combinations of treatments provided for in groups c09c3/04 - c09c3/12333
- C09C 3/003Flushing11
Recent patents
- Boron nitride particles, resin composition, and method for producing resin composition6 Oct 2026US 12,753,075 B2Denka Company Limited
- Modified zinc oxide nanoparticles, method for modifying thereof, and quantum dot light-emitting diode6 Oct 2026US 12,757,630 B2Tcl Technology Group Corporation
- Method of producing organic-inorganic hybrid infrared absorbing particles and organic-inorganic hybrid infrared absorbing particles29 Sep 2026US 12,747,357 B2Sumitomo Metal Mining Co., Ltd.
- Method and system for multicolor photonic pigments from magneticially assembled nanorod arrays29 Sep 2026US 12,748,324 B2The Regents of the University of California
- Boron nitride particles, resin composition, and method for producing resin composition22 Sep 2026US 12,742,057 B2Denka Company Limited
- Method and Apparatus for Producing Core-Shell Calcium Hydroxide-Calcium Carbonate Particles8 Oct 2026US 2026/0308386 A1Biosenta Inc.
- Multi-jet fusion printing of porous structures8 Oct 2026US 2026/0308398 A1Nanyang Technological University
- Dispersions containing graphenic carbon nanoparticles and dispersant resins1 Oct 2026US 2026/0296894 A1PPG Industries Ohio, Inc.
- Polysiloxane filler treating agent and composition prepared therewith1 Oct 2026US 2026/0297301 A1Dow Global Technologies LLC
- Viscosity adjustment method and particle dispersion liquid production method1 Oct 2026US 2026/0297332 A1Resonac Corporation
Most cited
By later US patents
- Electrophoretic particles, and processes for the production thereof510US 7,002,728 B2E Ink Corporation · 2006
- Electrophoretic particles and processes for the production thereof363US 6,822,782 B2E Ink Corporation · 2004
- Process for preparing carbon materials with diazonium salts and resultant carbon products257US 5,554,739 ACabot Corporation · 1996
- Ink compositions containing modified pigment particles217US 5,281,261 AXerox Corporation · 1994
- Electrophoretic media and processes for the production thereof192US 7,230,750 B2E Ink Corporation · 2007