C10C 3/005
Working-up pitch, asphalt, bitumen: by mixing several fractions
Official title: {by mixing several fractions (also coaltar fractions with petroleum fractions)}
C10C3/005 (Working-up pitch, asphalt, bitumen: by mixing several fractions) appears on 39 US grants and 43 published applications in this corpus.
Search patents in C10C- Granted patents
- 39
- Published applications
- 43
- Assignees
- 39
- Inventors
- 155
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 3 |
| 2024 | 2 | 5 |
| 2025 | 2 | 6 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binder pitch for use in carbon composite materials6 Jan 2026US 12,516,247 B2Arq IP Limited
- Methods and apparatus for treating bitumen mixtures11 Nov 2025US 12,467,001 B2USD Group LLC
- Methods for expanding and enriching hydrocarbon diluent pools6 May 2025US 12,291,677 B2Texon Midstream, LLC
- System and method for processing recycled asphalt pavement or aggregate for asphalt production1 Oct 2024US 12,104,333 B1Reliable Asphalt Products, Inc.
- Methods and apparatus for treating bitumen mixtures11 Jun 2024US 12,006,474 B2USD Group LLC
- Process for valorization of pitch from residue upgradation unit along with production of high modulus bitumen27 Aug 2026US 2026/0250579 A1Hindustan Petroleum Corporation Limited
- Cracking resistant asphalt binders including high viscosity vacuum tower bottoms material and at least one of a heavy vacuum gas oil or a biomaterial, and related methods20 Aug 2026US 2026/0242285 A1Marathon Petroleum Company LP
- Cracking resistant asphalt binders including hard asphalt, and related methods20 Aug 2026US 2026/0242286 A1Marathon Petroleum Company LP
- Cracking resistant asphalt binders including blend of low viscosity vacuum tower bottoms and bio-resins, and related methods20 Aug 2026US 2026/0242602 A1Marathon Petroleum Company LP
- Mesophase pitch for carbon fiber and method for producing mesophase pitch-based carbon fiber16 Jul 2026US 2026/0201611 A1Kyushu University, National University Corporation
Most cited
By later US patents
- Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof60US 5,746,906 AKoppers Industries, Inc. · 1998
- Low viscosity, high carbon yield pitch product48US 6,827,841 B2Marathon Ashland Petroleum LLC · 2004
- Viscosity modification of heavy hydrocarbons39US 7,252,755 B2Marathon Ashland Petroleum LLC · 2007
- Sulfur-in-oil in asphalt and polymer composition and process36US 6,133,351 AMarathon Ashland Petroleum LLC · 2000
- Method of separating bitumin from bituminous sands and preparing organic acids24US 3,951,778 ACAW Industries, Inc. · 1976