Quaternary ammonium compounds
US-12553003-B1 · Feb 17, 2026 · US
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Loper John patents
Loper John is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Loper John |
| Total patents | 14 |
| First publication | Jun 14, 2018 |
| Latest publication | Feb 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefins
US-11091613-B2 · Aug 17, 2021 · US
Oxazoline modified dispersants
US-11046908-B2 · Jun 29, 2021 · US
Microstructure-controlled copolymers of ethylene and c3-c10 alpha-olefins
US-2021171678-A1 · Jun 10, 2021 · US
Engine oils for soot handling and friction reduction
US-11008527-B2 · May 18, 2021 · US
Polyolefin-derived dispersants
US-2021070900-A1 · Mar 11, 2021 · US
Engine oils for soot handling and friction reduction
US-2020231892-A1 · Jul 23, 2020 · US
Oxazoline Modified Dispersants
US-2020224117-A1 · Jul 16, 2020 · US
Lubricant compositions comprising olefin copolymer dispersants in combination with additives
US-2019177651-A1 · Jun 13, 2019 · US
Fuel compositions containing detergents derived from ethylene-alpha olefin copolymers
US-2019177632-A1 · Jun 13, 2019 · US
Recent patents
Latest publications not already listed above.
Low-metal content ethylene-alpha olefin copolymers and functionalized products made therefrom
US-2019177518-A1 · Jun 13, 2019 · US
Microstructure-controlled copolymers of ethylene and c3-c10 alpha-olefins
US-2019169334-A1 · Jun 6, 2019 · US
Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefins
US-10221267-B2 · Mar 5, 2019 · US
Microstructure-controlled copolymers of ethylene and c3-c10 alpha-olefins
US-2018162972-A1 · Jun 14, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Afton Chemical Corp | 14 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08F2800/10 | 9 |
| C08F4/65908 | 9 |
| C08F210/00 | 9 |
| C08F4/65912 | 9 |
| C08F4/65925 | 9 |