Inventor

Vincent E. Lewis

Inventor

Missouri City, TX, US

Overview

1992–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 16 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds30%

C10GCracking hydrocarbon oils22%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C02FTreatment of water, waste water, sewage, or sludge3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

PatentTitleYear

9,656,930'Online monitoring of polymerization inhibitors for control of undesirable polymerization'2017 9,266,797'Online monitoring of polymerization inhibitors for control of undesirable polymerization'2016 7,651,635'Polymer inhibition of vinyl aromatic monomers using a quinone methide/alkyl hydroxylamine combination'2010 6,074,532'Adjunct for removal of aldehydes from chemical manufacturing production streams during distillative purification'2000 5,955,643'Composition and method for inhibiting polymerization during the anaerobic of styrene'1999 5,910,232'Method for inhibiting polymer formation in styrene processing'1999 5,879,534'Non-enolizable oxygenates as anti foulants in ethylene dichloride manufacture'1999 5,770,041'Non-enolizable oxygenates as antifoulants'1998 5,714,055'Caustic tower trap for acetaldehyde'1998 5,650,072'Sulfonate and sulfate dispersants for the chemical processing industry'1997 5,446,233'Ethylene plant caustic system emulsion breaking with salts of alkyl sulfonic acids'1995 5,288,394'Process for the prevention of polymer formation in compressor systems'1994 5,285,006'Compressor fouling inhibition in vinyl acetate production units'1994 5,170,661'Apparatus for monitoring fouling in an ethylene plant oil quench tower'1992 5,160,425'Method of inhibiting formation of fouling materials during basic washing of hydrocarbons contaminated with oxygen compounds'1992 5,157,175'Composition and method for inhibition of styrene polymerization'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1995Patents assigned to NALCO CHEMICAL CO (6)· patent assignee history

1992–2017Based in Missouri City, TX, US· patent location history

1997–2000Patents assigned to NALCO EXXON ENERGY CHEM LP (7)· patent assignee history

2010Patents assigned to NALCO CO (1)· patent assignee history

2016–2017Patents assigned to ECOLAB USA INC (2)· patent assignee history

2016Based in Rosenberg, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NALCO EXXON ENERGY CHEM LP	7	1997–2000
NALCO CHEMICAL CO	6	1992–1995
ECOLAB USA INC	2	2016–2017
NALCO CO	1	2010

Locations

Location	Patents	Span
Missouri City, Texas, US	15	1992–2017
Rosenberg, Texas, US	1	2016