C09C 1/30
Silicic acid
C09C1/30 (Silicic acid) appears on 1,164 US grants and 1,356 published applications in this corpus.
Search patents in C09C- Granted patents
- 1,164
- Published applications
- 1,356
- Assignees
- 634
- Inventors
- 3,408
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 14 | 0 |
| 1995 | 17 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 21 | 0 |
| 1999 | 22 | 0 |
| 2000 | 25 | 0 |
| 2001 | 28 | 7 |
| 2002 | 22 | 32 |
| 2003 | 29 | 81 |
| 2004 | 34 | 61 |
| 2005 | 25 | 55 |
| 2006 | 31 | 66 |
| 2007 | 25 | 56 |
| 2008 | 22 | 66 |
| 2009 | 28 | 59 |
| 2010 | 37 | 90 |
| 2011 | 48 | 72 |
| 2012 | 36 | 67 |
| 2013 | 44 | 47 |
| 2014 | 49 | 48 |
| 2015 | 52 | 58 |
| 2016 | 45 | 57 |
| 2017 | 37 | 48 |
| 2018 | 40 | 33 |
| 2019 | 27 | 44 |
| 2020 | 29 | 52 |
| 2021 | 44 | 43 |
| 2022 | 33 | 55 |
| 2023 | 27 | 39 |
| 2024 | 38 | 56 |
| 2025 | 34 | 41 |
| 2026 | 19 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09C 1/3081Treatment with organo-silicon compounds561
- C09C 1/3045Treatment with inorganic compounds227
- C09C 1/309Combinations of treatments provided for in groups c09c1/3009 - c09c1/3081181
- C09C 1/3063Treatment with low-molecular organic compounds164
- C09C 1/3072Treatment with macro-molecular organic compounds155
- C09C 1/3009Physical treatment108
Recent patents
- Mesoporous silica wrapped nanoparticle composite material, preparation method thereof, and use thereof18 Aug 2026US 12,709,548 B2Wuyi University
- Methods of forming minerals using biomineralizing microorganisms and biomineralizing macroorganisms and compositions formed using same18 Aug 2026US 12,709,573 B2The Regents of the University of Colorado, a body corporate
- Modified metal oxide particle material and method for producing same21 Jul 2026US 12,686,772 B2Admatechs Co., Ltd.
- Finely divided aqueous particle-stabilized pickering emulsion and particles produced therefrom30 Jun 2026US 12,668,671 B2Wacker Chemie AG
- Curable composition containing rice husk ash biosilica toughened epoxy resin30 Jun 2026US 12,668,682 B2Najran University
- Viscosity adjustment method and particle dispersion liquid production method1 Oct 2026US 2026/0297332 A1Resonac Corporation
- Method for producing dispersion liquid containing colloidal silica particles1 Oct 2026US 2026/0297381 A1Fujimi Incorporated
- Highly dispersed fumed silica and method for producing the same1 Oct 2026US 2026/0297398 A1Oci Company Ltd.
- Particle dispersion liquid24 Sep 2026US 2026/0286136 A1Resonac Corporation
- Bio-based curable epoxy composition17 Sep 2026US 2026/0275083 A1Najran University
Most cited
By later US patents
- Metal nanoshells299US 6,344,272 B12002
- Molecularly-imprinted material made by template-directed synthesis251US 6,310,110 B12001
- High-solids coating composition for improved rheology control containing chemically modified inorganic microparticles203US 4,522,958 APPG Industries, Inc. · 1985
- Metal nanoshells for biosensing applications194US 6,699,724 B1Wm. Marsh Rice University · 2004
- Process to form mesostructured films157US 5,858,457 ASandia Corporation · 1999