C08K
Use of inorganic or non-macromolecular organic substances as compounding ingredients
Official title: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
C08K (Use of inorganic or non-macromolecular organic substances as compounding ingredients) appears on 64,722 US grants and 70,706 published applications in this corpus.
Search patents in C08K- Granted patents
- 64,722
- Published applications
- 70,706
- Assignees
- 14,101
- Inventors
- 119,948
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1084 | 0 |
| 1977 | 971 | 0 |
| 1978 | 1130 | 0 |
| 1979 | 672 | 0 |
| 1980 | 676 | 0 |
| 1981 | 790 | 0 |
| 1982 | 637 | 0 |
| 1983 | 675 | 0 |
| 1984 | 706 | 0 |
| 1985 | 778 | 0 |
| 1986 | 627 | 0 |
| 1987 | 673 | 0 |
| 1988 | 697 | 0 |
| 1989 | 809 | 0 |
| 1990 | 781 | 0 |
| 1991 | 978 | 0 |
| 1992 | 942 | 0 |
| 1993 | 987 | 0 |
| 1994 | 869 | 0 |
| 1995 | 745 | 0 |
| 1996 | 766 | 0 |
| 1997 | 744 | 0 |
| 1998 | 866 | 0 |
| 1999 | 980 | 0 |
| 2000 | 911 | 0 |
| 2001 | 932 | 286 |
| 2002 | 1014 | 1032 |
| 2003 | 1002 | 1479 |
| 2004 | 992 | 1568 |
| 2005 | 678 | 1689 |
| 2006 | 755 | 1796 |
| 2007 | 803 | 1801 |
| 2008 | 662 | 1864 |
| 2009 | 786 | 2128 |
| 2010 | 1182 | 2625 |
| 2011 | 1215 | 2484 |
| 2012 | 1378 | 2477 |
| 2013 | 1542 | 2829 |
| 2014 | 1918 | 3095 |
| 2015 | 2124 | 3644 |
| 2016 | 2386 | 3546 |
| 2017 | 2546 | 3587 |
| 2018 | 2474 | 3833 |
| 2019 | 2767 | 3996 |
| 2020 | 2949 | 4343 |
| 2021 | 2687 | 4171 |
| 2022 | 2439 | 3965 |
| 2023 | 2617 | 3738 |
| 2024 | 2552 | 3484 |
| 2025 | 2284 | 2942 |
| 2026 | 1544 | 2304 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C08K 5/00Use of organic ingredients40,025
- C08K 3/00Use of inorganic substances as compounding ingredients29,209
- C08K 2201/00Specific properties of additivesIndexing code7,124
- C08K 9/00Use of pretreated ingredients6,571
- C08K 7/00Use of ingredients characterised by shape6,138
- C08K 13/00Use of mixtures of ingredients not covered by one single of the1,098
- C08K 11/00Use of ingredients of unknown constitution326
Recent patents
- Coating composition comprising bacteriophage and antibacterial film formed by using same6 Oct 2026US 12,751,458 B2Kookmin University Industry Academy Cooperation Foundation
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Blow-molded article and method for producing the same6 Oct 2026US 12,752,469 B2Kaneka Corporation
- Boron nitride particles, resin composition, and method for producing resin composition6 Oct 2026US 12,753,075 B2Denka Company Limited
- Superhydrophobic antifouling compositions and applications thereof8 Oct 2026US 2026/0306711 A1University of Georgia Research Foundation, Inc.
- Silicate Fiber Polymer Composite8 Oct 2026US 2026/0307297 A1Tundra Composites, LLC
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Optical laminate and display apparatus8 Oct 2026US 2026/0307377 A1Nitto Denko Corporation
- Heavy-duty tire8 Oct 2026US 2026/0307433 A1Sumitomo Rubber Industries, Ltd.
Most cited
By later US patents
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Nanomaterial polymer compositions and uses thereof1,398US 8,323,789 B2Cambridge Enterprise Limited · 2012
- Thickening silicones with elastomeric silicone polyethers535US 5,811,487 ADow Corning Corporation · 1998