Inventor

D. Michael Duggan

Inventor

Drexel Hill, PA, US

Overview

1986–1990

Patent span

Performing operations

Primary field (CPC B)

Patents· 6 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry50%

C07CAcyclic or carbocyclic compounds50%

PatentTitleYear

4,895,987'Phosphonite-and phosphonite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1990 4,895,818'Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1990 4,692,426'Phosphite-promoted ruthenium-cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1987 4,663,489'Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1987 4,652,542'Ruthenium-cobalt carbonyl catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1987 4,618,729'Ruthenium-cobalt carbonyl metal cluster catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1990Patents assigned to SUN REFINING & MARKETING (6)· patent assignee history

1986–1990Based in Drexel Hill, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUN REFINING & MARKETING	6	1986–1990

Locations

Location	Patents	Span
Drexel Hill, Pennsylvania, US	6	1986–1990