C10G 73/32
Methods of cooling during dewaxing
C10G73/32 (Methods of cooling during dewaxing) appears on 31 US grants and 5 published applications in this corpus.
Search patents in C10G- Granted patents
- 31
- Published applications
- 5
- Assignees
- 11
- Inventors
- 46
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
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| 1999 | 0 | 0 |
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| 2002 | 1 | 0 |
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| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
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| 2011 | 0 | 0 |
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| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recovery of aliphatic hydrocarbons24 Feb 2026US 12,559,686 B2Shell USA, Inc.
- Method of separation of hydrocarbon oils from a waxy feedstock and separation system for implementation of said method2 Jul 2002US 6,413,480 B1Yutec Technologies, Inc.
- Oil dewaxing method20 Aug 1996US 5,547,562 ANalco/Exxon Energy Chemicals, L. P.
- Lubricating oil dewaxing with membrane separation of cold solvent27 Feb 1996US 5,494,566 AMobil Oil Corporation
- Integrated batch auto-refrigerative dewaxing employing thermocompressors28 Mar 1995US 5,400,618 AExxon Research & Engineering Co.
- Method for preparing low-pour point, high-aromatic, and environmental-friendly rubber oil by combining extraction and dewaxing29 Jan 2026US 2026/0028541 A1China University of Petroleum (East China)
- Method for dewaxing extract oil and rubber oil29 Jan 2026US 2026/0028542 A1China University of Petroleum (East China)
- Systems and methods for processing pyrolysis oil8 Jan 2026US 2026/0008970 A1Sabic Global Technologies B.V.
- Recovery of aliphatic hydrocarbons22 Dec 2022US 2022/0403264 A1Shell Oil Company
- Method for separation of hydrocarbon oils from a waxy feedstock and apparatus for implementation of said method18 Dec 2008US 2008/0312486 A1Yutec Technologies, Inc.
Most cited
By later US patents
- Partial predilution dilution chilling16US 4,013,542 AExxon Research & Engineering Co. · 1977
- Incremental dilution dewaxing process16US 4,140,620 ATexaco Inc. · 1979
- Method for reducing the cloud point of materials using an ultrafiltration separation process16US 4,874,523 AExxon Research & Engineering Co. · 1989
- Solvent dewaxing process15US 4,115,241 ATexaco Inc. · 1978
- Dilution chilling dewaxing by modification of tower temperature profile10US 4,146,461 AExxon Research & Engineering Co. · 1979