C01G 23/00
Compounds of titanium
Official title: Compounds of titanium {(preparation of Ti-compounds from ores or scraps C22B34/12)}
C01G23/00 (Compounds of titanium) appears on 2,548 US grants and 2,895 published applications in this corpus.
Search patents in C01G- Granted patents
- 2,548
- Published applications
- 2,895
- Assignees
- 1,295
- Inventors
- 6,751
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 14 | 0 |
| 1979 | 14 | 0 |
| 1980 | 13 | 0 |
| 1981 | 28 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 16 | 0 |
| 1986 | 23 | 0 |
| 1987 | 24 | 0 |
| 1988 | 20 | 0 |
| 1989 | 30 | 0 |
| 1990 | 23 | 0 |
| 1991 | 28 | 0 |
| 1992 | 29 | 0 |
| 1993 | 25 | 0 |
| 1994 | 20 | 0 |
| 1995 | 27 | 0 |
| 1996 | 25 | 0 |
| 1997 | 28 | 0 |
| 1998 | 29 | 0 |
| 1999 | 23 | 0 |
| 2000 | 33 | 0 |
| 2001 | 39 | 23 |
| 2002 | 50 | 79 |
| 2003 | 72 | 83 |
| 2004 | 75 | 102 |
| 2005 | 41 | 106 |
| 2006 | 70 | 115 |
| 2007 | 60 | 139 |
| 2008 | 37 | 140 |
| 2009 | 85 | 133 |
| 2010 | 103 | 187 |
| 2011 | 100 | 152 |
| 2012 | 90 | 178 |
| 2013 | 108 | 152 |
| 2014 | 106 | 118 |
| 2015 | 112 | 111 |
| 2016 | 113 | 121 |
| 2017 | 97 | 109 |
| 2018 | 82 | 123 |
| 2019 | 118 | 139 |
| 2020 | 105 | 104 |
| 2021 | 72 | 82 |
| 2022 | 65 | 97 |
| 2023 | 66 | 96 |
| 2024 | 60 | 93 |
| 2025 | 52 | 61 |
| 2026 | 38 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01G 23/04Oxides1,357
- C01G 23/003Titanates1,073
- C01G 23/02Halides of titanium103
- C01G 23/002Compounds containing titanium, with or without oxygen or hydrogen, and containing two60
- C01G 23/001Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange27
- C01G 23/007Titanium sulfides24
- C01G 23/008Titanium- and titanyl sulfate14
Recent patents
- Nanoparticles, dispersion of nanoparticles, and production method of nanoparticles6 Oct 2026US 12,753,087 B2Tokyo Ohka Kogyo.Co., Ltd.
- Manufacture of titanium dioxide structures22 Sep 2026US 12,741,882 B2Tiotech AS
- Pigment comprising particles each containing calcium-titanium composite oxide as main component, method for producing same, and use of same8 Sep 2026US 12,729,131 B2Titan Kogyo Kabushiki Kaisha
- Friction adjusting material, friction material composition, friction material, and friction member8 Sep 2026US 12,729,737 B2Otsuka Chemical Co., Ltd.
- CTAB assisted titania quantum dots at low temperature for opto-chemical sensing1 Sep 2026US 12,723,195 B1King Faisal University
- Dispersion of titanium dioxide fine particles in organic solvent, method for producing same, and use of same8 Oct 2026US 2026/0308008 A1Ishihara Sangyo Kaisha, Ltd.
- Titanium oxide particles, resin composition, and method for producing titanium oxide particles1 Oct 2026US 2026/0296910 A1DIC Corporation
- Titanium oxide particles, resin composition for electronic materials, molded article, component for electronic devices, and method for producing titanium oxide particles1 Oct 2026US 2026/0297293 A1DIC Corporation
- Titanate compounds as catalysts in a method for producing polyester24 Sep 2026US 2026/0286045 A1Equipolymers GmbH
- Method and apparatus for inputting thermal energy into a fluid, related apparatus and uses24 Sep 2026US 2026/0287253 A1Coolbrook Oy
Most cited
By later US patents
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Method of producing nanoscale powders by quenching of vapors219US 5,788,738 ANanomaterials Research Corporation · 1998
- Integrated thermal process for the continuous synthesis of nanoscale powders213US 5,851,507 ANanomaterials Research Corporation · 1998