C10M 175/06
Working-up used lubricants to recover useful products: by ultrafiltration or osmosis
Official title: by ultrafiltration or osmosis
C10M175/06 (Working-up used lubricants to recover useful products: by ultrafiltration or osmosis) appears on 24 US grants and 9 published applications in this corpus.
Search patents in C10M- Granted patents
- 24
- Published applications
- 9
- Assignees
- 23
- Inventors
- 63
- Latest grant
- 27 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
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| 1983 | 1 | 0 |
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| 1989 | 3 | 0 |
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| 1994 | 1 | 0 |
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| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
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| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
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| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System for recovery of waste gel-mass from softgel manufacturing process27 Dec 2022US 11,535,811 B2R.P. Scherer Technologies, LLC
- Highly porous lubricant conditioning and remediation media23 Feb 2021US 10,926,243 B21441413 Albertra Inc.
- Process for recovery of waste gel-mass from softgel manufacturing process5 Nov 2019US 10,465,143 B2R.P. Scherer Technologies, LLC
- Oil dehydrator11 Feb 2003US 6,517,725 B2Porous Media Corporation
- Deashing and demetallization of used oil using a membrane process12 Sep 2000US 6,117,327 AMedia and Process Technology Inc.
- Highly porous lubricant conditioning and remediation media4 Nov 2021US 2021/0340460 A11441413 Alberta Inc. DBA EPT
- Highly porous lubricant conditioning and remediation media20 Feb 2020US 2020/0055021 A11441413 Alberta Inc. DBA EPT
- Highly porous coolant conditioning and remediation media20 Feb 2020US 2020/0055022 A11441413 Alberta Inc. DBA EPT
- System for Recovery of Waste Gel-Mass From Softgel Manufacturing Process16 Jan 2020US 2020/0017797 A1R.P. Scherer Technologies, LLC
- Method of cleaning a membrane contactor21 Sep 2017US 2017/0266628 A1
Most cited
By later US patents
- Process for the treatment of a hydrocarbon charge by high temperature ultrafiltration40US 4,411,790 ACommissariat A L' Energie Atomique · 1983
- Oil dehydrator34US 6,517,725 B2Porous Media Corporation · 2003
- Method for the molecular filtration of predominantly aliphatic hydrocarbon liquids31US 4,814,088 ANational Research Council of Canada · 1989
- Aerated hot membrane bioreactor process for treating recalcitrant compounds31US 5,558,774 AZenon Environmental Inc. · 1996
- Ultrafiltration or reverse osmosis treatment of emulsified oil metal working coolants24US 4,201,664 AThe Continental Group, Inc. · 1980