Inventor
Ronald F. Lovenguth
Inventor
Doylestown, PA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients78%
C08LCompositions of macromolecular compounds11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
4,954,542'Tetrahalophthalate esters as flame retardants for polybutylene terephthalate resins (PBT)'19904,938,894'Tetrahalophthalate esters as flame retardants for ABS (acrylonitrile-butadiene styrene terpolymer) resins'19904,923,916'Tetrahalophthalate esters as flame retardants for polystyrene resins'19904,912,158'Tetrahalophthalate esters as flame retardants for polycarbonate resins'19904,764,550'Tetrahalophthalate esters as flame retardants for polyphenylene ether resins'19884,762,861'Tetrahalophthalate esters as flame retardants for polystyrene resins'19884,446,265'Flame retardant polyphenylene ether-styrene thermoplastic resin compositions'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to FMC CORP (1)· patent assignee history
1984–1990Based in Doylestown, PA, US· patent location history
1988–1990Patents assigned to PENNWALT CORP (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PENNWALT CORP | 6 | 1988–1990 |
| FMC CORP | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Doylestown, Pennsylvania, US | 7 | 1984–1990 |