Inventor

John C. Zahner

Inventor

Princeton, NJ, US

Overview

1977–1996

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C10Gprimary

C10GCracking hydrocarbon oils37%

C07CAcyclic or carbocyclic compounds14%

Y02PClimate change mitigation technologies in the production or processing of goods14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%

C01BNon-metallic elements5%

E21BEarth or rock drilling5%

A47LDomestic washing or cleaning2%

F02BInternal-combustion piston engines2%

PatentTitleYear

5,588,175'Foot vacuum'1996 5,008,088'Methanol-gas saturator for catalytic conversion system'1991 4,946,656'Vented stripper section for a fluid catalytic cracking unit apparatus'1990 4,937,051'Catalytic reactor with liquid recycle'1990 4,808,764'Methanol-gas saturator for catalytic conversion system'1989 4,681,674'Fixed bed catalytic reactor system with improved liquid distribution'1987 4,675,461'Conversion of LPG hydrocarbons into distillate fuels using an integral LPG dehydrogenation-MOGD process'1987 4,561,966'Combination fluid bed dry distillation and coking process for oil/tar sands'1985 4,404,414'Conversion of methanol to gasoline'1983 4,298,453'Coal conversion'1981 4,264,428'Conversion of coal into liquid fuels'1981 4,138,440'Conversion of liquid alcohols and ethers with a fluid mass of ZSM-5 type catalyst'1979 4,116,814'Method and system for effecting catalytic cracking of high boiling hydrocarbons with fluid conversion catalysts'1978 4,108,758'Conversion of coal into liquid fuels'1978 4,098,339'Utilization of low BTU natural gas'1978 4,093,029'Utilization of low BTU natural gas'1978 4,044,061'Preheating methanol effects steady state operation of conversion to gasoline'1977 4,011,275'Conversion of modified synthesis gas to oxygenated organic chemicals'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1991Patents assigned to MOBIL OIL CORP (17)· patent assignee history

1977–1991Based in Princeton, NJ, US· patent location history

1996Based in Bayside, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOBIL OIL CORP	17	1977–1991

Locations

Location	Patents	Span
Princeton, New Jersey, US	17	1977–1991
Bayside, New York, US	1	1996