Inventor
Darrell R. Heath
Inventor
Overland Park, KS, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds27%
C07CAcyclic or carbocyclic compounds20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C08LCompositions of macromolecular compounds7%
H01BCables7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
4,105,825'Polyolefin with phosphorylated novolac flame retardant, peroxide cured, as metallic insulator'19783,972,902'4,4\'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride)'19763,957,862'Method of making aromatic bis(ether ortho phthalic acid)s'19763,956,320'Aromatic bis(ether phthalis anhydride) compounds'19763,956,238'Polyetherquinoxalines'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1978Patents assigned to GEN ELECTRIC (5)· patent assignee history
1976Based in Overland Park, KS, US· patent location history
1976Based in Schenectady, NY, US· patent location history
1976Based in Pittsfield, MA, US· patent location history
1978Based in Schofield, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 5 | 1976–1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Overland Park, KS, US | 2 | 1976 |
| Schofield, WI, US | 1 | 1978 |
| Schenectady, New York, US | 1 | 1976 |
| Pittsfield, Massachusetts, US | 1 | 1976 |