Inventor

James N. Francis

Inventor

Maplewood, NJ, US

Overview

8→

Patents

1977–1991

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.

B01Dprimary

B01DSeparation14%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%

C10MLubricating compositions14%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions14%

C01BNon-metallic elements9%

C07CAcyclic or carbocyclic compounds9%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

C10GCracking hydrocarbon oils5%

C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide5%

PatentTitleYear

5,019,283'Enhancing antiwear and friction reducing capability of certain xanthate containing molybdenum sulfide compounds'1991 4,995,996'Molybdenum sulfur antiwear and antioxidant lube additives'1991 4,990,271'Antiwear, antioxidant and friction reducing additive for lubricating oils'1991 4,417,972'Recovery of coal liquefaction catalysts'1983 4,242,103'Cyclic two step process for production of methane from carbon monoxide'1980 4,034,065'Preparation of CU+ zeolites'1977 4,019,880'Adsorption of carbon monoxide using silver zeolites'1977 4,019,879'Selective adsorption of carbon monoxide from gas streams'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1980Patents assigned to UNION CARBIDE CORP (4)· patent assignee history

1977Based in Peekskill, NY, US· patent location history

1980–1983Based in Houston, TX, US· patent location history

1983–1991Patents assigned to EXXON RESEARCH ENGINEERING CO (4)· patent assignee history

1991Based in Maplewood, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXON RESEARCH ENGINEERING CO	4	1983–1991
UNION CARBIDE CORP	4	1977–1980

Locations

Location	Patents	Span
Maplewood, New Jersey, US	3	1991
Peekskill, New York, US	3	1977
Houston, Texas, US	2	1980–1983