C09C 1/02
Compounds of alkaline earth metals or magnesium
Official title: Compounds of alkaline earth metals or magnesium {(C09C1/0003, C09C1/0009, C09C1/0015, C09C1/0078 take precedence; dolomitic solids C09C1/009)}
C09C1/02 (Compounds of alkaline earth metals or magnesium) appears on 808 US grants and 932 published applications in this corpus.
Search patents in C09C- Granted patents
- 808
- Published applications
- 932
- Assignees
- 379
- Inventors
- 1,697
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 15 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 5 |
| 2002 | 5 | 9 |
| 2003 | 16 | 26 |
| 2004 | 15 | 36 |
| 2005 | 5 | 18 |
| 2006 | 12 | 22 |
| 2007 | 21 | 31 |
| 2008 | 12 | 31 |
| 2009 | 16 | 39 |
| 2010 | 18 | 55 |
| 2011 | 22 | 45 |
| 2012 | 24 | 54 |
| 2013 | 31 | 46 |
| 2014 | 32 | 65 |
| 2015 | 46 | 69 |
| 2016 | 47 | 44 |
| 2017 | 50 | 65 |
| 2018 | 48 | 47 |
| 2019 | 44 | 41 |
| 2020 | 38 | 35 |
| 2021 | 23 | 26 |
| 2022 | 39 | 34 |
| 2023 | 22 | 31 |
| 2024 | 12 | 27 |
| 2025 | 17 | 20 |
| 2026 | 15 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrafine surface-treated fillers for thin breathable films22 Sep 2026US 12,742,058 B2Omya International AG
- Thermally conductive additive, thermally conductive composite material, and wire harness15 Sep 2026US 12,735,618 B2Autonetworks Technologies, Ltd.
- 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
- Reinforced fluoropolymer14 Jul 2026US 12,679,953 B2Omya International AG
- Process for producing nano precipitated calcium carbonate30 Jun 2026US 12,668,499 B2Omya International AG
- Method and Apparatus for Producing Core-Shell Calcium Hydroxide-Calcium Carbonate Particles8 Oct 2026US 2026/0308386 A1Biosenta Inc.
- Magnesium oxide powder and resin composition which uses same3 Sep 2026US 2026/0258227 A1Denka Company Limited
- Method for the production of free-flowing granules20 Aug 2026US 2026/0242610 A1Omya International AG
- Compositions, methods, and systems related to transformation of vaterite particles13 Aug 2026US 2026/0234055 A1Arelac, Inc.
- Water-insoluble pigment composition16 Jul 2026US 2026/0199225 A1DIC Corporation
Most cited
By later US patents
- Surface modified calcium carbonate composition and uses therefor97US 5,531,821 AECC International Limited · 1996
- Precipitated calcium carbonate-cationic starch binder as retention aid system for papermaking86US 4,892,590 APfizer Inc. · 1990
- Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper57US 5,043,017 APfizer Inc. · 1991
- Method for preparing hollow silica particles57US 6,221,326 B1Rhodia Chimie · 2001
- Filler for degradable plastics and process for producing the same54US 5,264,030 ANittetsu Mining Co., Ltd. · 1993