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Inventor

William R. Pledger

Inventor
Pearland, TX, US

Overview

4→
Patents
1976–1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
C07DHeterocyclic compounds17%
F23GCremation furnaces17%
F23JRemoval or treatment of combustion products or combustion residues17%
PatentTitleYear
5,786,524'Process for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanal'19985,583,263'Process of making ketones'19964,053,525'Process for production of glycerine'19773,994,244'Fluidized waste incinerator and method'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1998Patents assigned to SHELL OIL CO (4)· patent assignee history
1976Based in Houston, TX, US· patent location history
1977–1998Based in Pearland, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO41976–1998
Locations
LocationPatentsSpan
Pearland, Texas, US31977–1998
Houston, Texas, US11976