Inventor
David J. Fenoglio
Inventor
Wheaton, IL, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds26%
H05KPrinted circuits13%
C07DHeterocyclic compounds8%
C10MLubricating compositions8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C08BPolysaccharides5%
C08HDerivatives of natural macromolecular compounds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials5%
PatentTitleYear
6,248,879'Polyanhydride crosslinked fibrous cellulosic products and process for their preparation'20015,981,739'Polyanhydride crosslinked fibrous cellulosic products and process for their preparation'19995,080,815'Method for preparing engine seal compatible dispersant for lubricating oils comprising reacting hydrocarbyl substituted discarboxylic compound with aminoguanirise or basic salt thereof'19925,003,037'Polyamide, polyimide, and polyamide-imide polymers and copolymers using 3, 5-diamino-t-butylbenzene'19914,992,527'Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butylbenzene'19914,973,659'Polyamide from diamino-t-butylbenzene'19904,973,660'Polyamide of diamino-t-butyltoluene'19904,968,780'Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butylbenzene'19904,963,648'Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butyltoluene'19904,963,277'Increasing viscosity storage stabiity of Mannich base dispersant/VI-improvers'19904,946,934'Polyamide from 3,5-diamino-t-butylbenzene'19904,908,145'Engine seal compatible dispersants for lubricating oils'19904,895,928'Melt-processable polymeric materials based on 5-t-butylisophthalic'19904,212,992'Fire retardants'19804,041,016'Fire retardants'19774,038,266'Azo-bisanhydride of trimellitic anhydride'19774,002,644'Bis-(1,4-dihydronaphtho)[2,3-c; 2,3-f]1,2,5-trithiepane'19773,989,669'Polyimides prepared from azo-bisanhydrides of trimellitic anhydride'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to STANDARD OIL CO INDIANA (5)· patent assignee history
1976–1980Based in Carol Stream, IL, US· patent location history
1990–1992Patents assigned to AMOCO CORP (11)· patent assignee history
1990–2001Based in Wheaton, IL, US· patent location history
1999–2001Patents assigned to BP AMOCO CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMOCO CORP | 11 | 1990–1992 |
| STANDARD OIL CO INDIANA | 5 | 1976–1980 |
| BP AMOCO CORP | 2 | 1999–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wheaton, Illinois, US | 13 | 1990–2001 |
| Carol Stream, Illinois, US | 5 | 1976–1980 |