Inventor

Don A. Plank

Inventor
Sarnia, CA

Overview

8→
Patents
1976–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 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 ingredients28%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
C08LCompositions of macromolecular compounds11%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
D04HMaking textile fabrics, e.g. from fibres or filamentary material6%
Y10TTechnical subjects covered by former us classification6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to EXXON RESEARCH ENGINEERING CO (6)· patent assignee history
1976–2002Based in Baytown, TX, US· patent location history
1977–1980Based in Sarnia, CA· patent location history
2001–2002Patents assigned to EXXON MOBIL CHEM PATENTS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON RESEARCH ENGINEERING CO61976–1980
EXXON MOBIL CHEM PATENTS INC22001–2002
Locations
LocationPatentsSpan
Sarnia, CA51977–1980
Baytown, Texas, US31976–2002