C04B 2111/00405
Materials with a gradually increasing or decreasing concentration of ingredients or property
Official title: {Materials with a gradually increasing or decreasing concentration of ingredients or property from one layer to another}
C04B2111/00405 (Materials with a gradually increasing or decreasing concentration of ingredients or property) appears on 186 US grants and 196 published applications in this corpus.
Search patents in C04B- Granted patents
- 186
- Published applications
- 196
- Assignees
- 145
- Inventors
- 591
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 0 | 3 |
| 2003 | 4 | 7 |
| 2004 | 3 | 1 |
| 2005 | 3 | 6 |
| 2006 | 5 | 10 |
| 2007 | 1 | 7 |
| 2008 | 2 | 8 |
| 2009 | 2 | 4 |
| 2010 | 1 | 9 |
| 2011 | 5 | 6 |
| 2012 | 5 | 7 |
| 2013 | 3 | 4 |
| 2014 | 3 | 5 |
| 2015 | 7 | 4 |
| 2016 | 5 | 3 |
| 2017 | 3 | 6 |
| 2018 | 6 | 8 |
| 2019 | 5 | 14 |
| 2020 | 7 | 10 |
| 2021 | 6 | 14 |
| 2022 | 7 | 12 |
| 2023 | 13 | 8 |
| 2024 | 8 | 15 |
| 2025 | 8 | 15 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air and water barrier building panels15 Sep 2026US 12,734,724 B2Gold Bond Building Products, LLC
- Cementitious solids with decorative surface patterns and methods of making the same2 Jun 2026US 12,643,817 B1
- Material systems for repair of thermal barrier coating and methods thereof26 May 2026US 12,637,947 B2General Electric Company
- In-situ high-strength gradient carbonized material and preparation method thereof28 Apr 2026US 12,612,332 B2Wuhan University of Technology
- Composite member, and heat generation device, building member and light emitting device, each of which uses same14 Apr 2026US 12,600,673 B2Panasonic Intellectual Property Management Co., Ltd.
- Mixtures for tiles with decorative surface patterns1 Oct 2026US 2026/0296961 A1
- Method for manufacturing tiles with decorative surface patterns1 Oct 2026US 2026/0296962 A1
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216665 A1Sumitomo Chemical Company, Limited
- Porous ceramic layer, porous ceramic layered body and separation membrane30 Jul 2026US 2026/0216666 A1Sumitomo Chemical Company, Limited
- Environmental barrier coating and method of repairing the same9 Jul 2026US 2026/0192329 A1Rtx Corporation
Most cited
By later US patents
- Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members455US 6,783,875 B2NGK Insulators, Ltd. · 2004
- Abrasive grits formed of ceramic, impregnation method of making the same and products made therewith176US 5,312,789 AMinnesota Mining and Manufacturing Company · 1994
- Functionally stepped, resistive ceramic163US 5,880,439 APhilip Morris Incorporated · 1999
- Coating composition, process for producing antireflective coatings, and coated articles139US 5,580,819 APPG Industries, Inc. · 1996
- Process for making sol-gel deposited ferroelectric thin films insensitive to their substrates120US 5,198,269 ABattelle Memorial Institute · 1993