C09C 1/025
Calcium sulfates
Official title: {Calcium sulfates}
C09C1/025 (Calcium sulfates) appears on 31 US grants and 44 published applications in this corpus.
Search patents in C09C- Granted patents
- 31
- Published applications
- 44
- Assignees
- 28
- Inventors
- 103
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 3 |
| 2010 | 2 | 6 |
| 2011 | 3 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 4 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 4 | 2 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Cooling infill for synthetic turf applications21 Nov 2023US 11,821,150 B2
- Grinding stabilizing additive for vertical roller mills27 Jun 2023US 11,684,929 B2
- Inorganic particulate material suitable for use in polymeric films2 May 2023US 11,639,441 B2ImerTech SAS
- Method of milling minerals in the presence of a poly (itaconate)14 Feb 2023US 11,578,214 B2Coatex
- Cooling infill for synthetic turf applications29 Nov 2022US 11,512,438 B2The Hanson Group, LLC
- Application of performic acid (pfa) for mineral processing12 Dec 2024US 2024/0409419 A1Kemira Oyj
- Grinding stabilizing additive for vertical roller mills9 May 2024US 2024/0150237 A1GCP Applied Technologies Inc.
- Dye for Foods, Nutritional Supplements, Cosmetic or Pharmaceutical Products27 Jul 2023US 2023/0232873 A1Döhler GmbH
- Cooling infill for synthetic turf applications27 Apr 2023US 2023/0125084 A1
- Method of milling minerals in the presence of a poly (itaconate)17 Sep 2020US 2020/0291239 A1Coatex
Most cited
By later US patents
- Treated inorganic solids33US 5,837,049 ATioxide Group Services Limited · 1998
- Pigments for paper coating compositions32US 5,882,396 AECC International Limited · 1999
- Method for reducing the size of metallic compound particles22US 7,384,560 B2K. U. Leuven Research & Development · 2008
- Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials17US 6,946,510 B2Coatex · 2005
- Process for preparation of purified calcium sulfate in an aqueous medium15US 5,173,284 ALafarge Coppee · 1992