C04B 2235/442
Carbonates
C04B2235/442 (Carbonates) appears on 429 US grants and 581 published applications in this corpus.
Search patents in C04B- Granted patents
- 429
- Published applications
- 581
- Assignees
- 316
- Inventors
- 1,404
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 8 | 5 |
| 2003 | 2 | 5 |
| 2004 | 2 | 12 |
| 2005 | 4 | 9 |
| 2006 | 8 | 8 |
| 2007 | 5 | 12 |
| 2008 | 2 | 16 |
| 2009 | 13 | 20 |
| 2010 | 9 | 24 |
| 2011 | 13 | 27 |
| 2012 | 12 | 21 |
| 2013 | 12 | 33 |
| 2014 | 25 | 14 |
| 2015 | 19 | 29 |
| 2016 | 25 | 26 |
| 2017 | 25 | 34 |
| 2018 | 25 | 28 |
| 2019 | 18 | 39 |
| 2020 | 36 | 30 |
| 2021 | 25 | 42 |
| 2022 | 30 | 42 |
| 2023 | 29 | 43 |
| 2024 | 27 | 26 |
| 2025 | 19 | 21 |
| 2026 | 22 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- M-type hexaferrite comprising a low dielectric loss ceramic29 Sep 2026US 12,749,604 B2Rogers Corporation
- Dielectric ceramic composition and multilayer ceramic electronic device22 Sep 2026US 12,741,911 B2Taiyo Yuden Co., Ltd.
- Synthetic mineral composition, a method of forming a synthetic mineral composition and uses of a synthetic mineral composition15 Sep 2026US 12,735,360 B2Sibelco Nederland N.V.
- Ceramic article, semiconductor apparatus for manufacturing a semiconductor structure and method of manufacturing a ceramic article25 Aug 2026US 12,715,816 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Dielectric for a capacitor and a method of manufacturing same4 Aug 2026US 12,700,541 B2Hyundai Motor Company
- Dielectric ceramic, method of preparing the same, and multilayer ceramic capacitor including the same8 Oct 2026US 2026/0311933 A1Samsung Electro-Mechanics Co., Ltd.
- Ceramic speaker and manufacturing method therefor24 Sep 2026US 2026/0285766 A1Amosense Co., Ltd.
- Colourable translucent white ceramic compound based on a frit comprising calcium and sodium27 Aug 2026US 2026/0250203 A1TheSize Surfaces, S.L.
- Process for cold sintering of calcium carbonate for precast construction materials20 Aug 2026US 2026/0242290 A1The Penn State Research Foundation
- Zirconia composite sintered body and method for producing same20 Aug 2026US 2026/0242293 A1Kuraray Noritake Dental Inc.
Most cited
By later US patents
- Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength334US 6,601,662 B2Grant Prideco, L.P. · 2003
- Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements156US 7,635,035 B1US Synthetic Corporation · 2009
- Rotary drill bit design method149US 6,435,058 B1Camco International (UK) Limited · 2002
- Method of machining of polycrystalline diamond134US 6,410,085 B1Camco International (UK) Limited · 2002
- Rotary drill bit122US 6,481,511 B2Camco International (UK) Limited · 2002