Inventor
Edward F. Zaweski
Inventor
Baton Rouge, LA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Lprimary
C10LFuels not otherwise provided for41%
C10MLubricating compositions18%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions18%
C07DHeterocyclic compounds6%
C07GCompounds of unknown constitution6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
F02BInternal-combustion piston engines3%
PatentTitleYear
5,241,085'Preparation of cyclic ethers'19935,196,552'Preparation of cyclic ethers'19935,180,510'Antioxidant additive and lubricating oil containing same'19934,954,274'Sulfurized olefin extreme pressure additives'19904,652,272'Fuel compositions'19874,645,538'Asphaltic compositions'19874,626,259'Fuel compositions'19864,623,362'Fuel compositions'19864,623,361'Fuel compositions'19864,623,360'Fuel compositions'19864,623,363'Fuel compositions'19864,613,341'Fuel compositions'19864,604,102'Fuel compositions'19864,594,077'Fuel compositions'19864,592,761'Fuel compositions'19864,588,415'Fuel compositions'19864,588,417'Fuel compositions'19864,588,416'Fuel compositions'19864,541,838'Fuel compositions'19854,439,336'Lubricant composition containing mixed fatty acid ester and amide of diethanolamine'19844,278,555'Lubricant composition'19814,208,293'Improved crankcase lubricant composition'19804,178,258'Lubricating oil composition'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Patents assigned to COOPER EDWIN INC (1)· patent assignee history
1979Based in St. Louis, MO, US· patent location history
1980–1993Patents assigned to ETHYL CORP (20)· patent assignee history
1980–1981Based in Pleasant Ridge, MI, US· patent location history
1984Based in Town and Country, MO, US· patent location history
1985–1993Based in Baton Rouge, LA, US· patent location history
1990Patents assigned to JOLLY JAMES G (1)· patent assignee history
1990Patents assigned to ZAWESKI EDWARD F (1)· patent assignee history
1993Patents assigned to ETHYL PETROLEUM ADDITIVES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ETHYL CORP | 20 | 1980–1993 |
| COOPER EDWIN INC | 1 | 1979 |
| ETHYL PETROLEUM ADDITIVES INC | 1 | 1993 |
| JOLLY JAMES G | 1 | 1990 |
| ZAWESKI EDWARD Fself | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baton Rouge, LA, US | 19 | 1985–1993 |
| Pleasant Ridge, MI, US | 2 | 1980–1981 |
| Town and Country, MO, US | 1 | 1984 |
| St. Louis, MO, US | 1 | 1979 |