Inventor

Stephen W. King

Inventor

Scott Depot, WV, US

Overview

1985–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 94 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds19%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%

C07DHeterocyclic compounds10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

C08LCompositions of macromolecular compounds4%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B01DSeparation3%

PatentTitleYear

11,123,688Composition and process for the dehydration of gases2021 10,815,331Autocatalytic polyols2020 10,695,944Treated porous material2020 10,626,097Process for making hydroxyethyl piperazine compounds2020 10,584,303Stabilization of isothiazolones in aqueous compositions2020 10,487,406Bis-imidazoline compounds as corrosion inhibitors and preparation thereof2019 10,471,625Treated porous material2019 10,399,064Rhenium recovery from used reductive amination catalysts2019 10,335,975Process for treating wood2019 10,335,976Treated porous material2019 10,329,672Corrosion inhibiting compositions including bis-imidazoline compounds derived from enriched linear tetramines2019 10,322,524Treated porous material2019 10,315,330Treated porous material2019 10,300,623Treated porous material2019 10,201,909Treated wood material2019 10,166,693Treated porous material2019 10,059,026Process for treating wood2018 9,908,966'Adduct curing agents'2018 9,822,324'Amine alkoxylate compositions and their use as lubricant additives'2017 9,783,486'Preparation of high molecular weight, branched, acyclic polyalkyleneamines and mixtures thereof'2017 9,644,066'Cyclic amine compounds, compositions, and polyurethane foams made therefrom'2017 9,631,131'Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry'2017 9,611,351'Amine polyether polyols and polyurethane foam compositions made from cyclic amine compounds'2017 9,574,126'Glycol ether amines for use as clay and shale inhibition agents for the drilling industry'2017 9,464,017'Process for preparing diaryl oxides by decarboxylation'2016 9,353,044'Reductive amination of diethanolamine and resulting product mixture'2016 9,162,995'Formation of higher molecular weight cyclic polyamine compounds from cyclic polyamine compounds'2015 9,035,099'Process for making ethoxylated amine compounds'2015 9,000,217'Transamination of nitrogen-containing compounds to high molecular weight polyalkyleneamines'2015 8,993,759'Transamination of nitrogen-containing compounds to make cyclic and cyclic/acyclic polyamine mixtures'2015 8,957,256'Process for making ethers from alkoxide anions or precursors of alkoxide anions'2015 8,907,088'Methods of making cyclic, N-amino functional triamines'2014 8,895,785'Processes for separating one or more amine byproducts from one or more desired amines'2014 8,853,459'Decolorization of amines'2014 8,618,108'Methods of making cyclic, N-amino functional triamines'2013 8,604,248'Low metal loaded, alumina supported, catalyst compositions and amination process'2013 8,492,592'Low metal loaded, catalyst compositions including acidic mixed metal oxide as support'2013 8,383,860'Process to selectively manufacture diethylenetriamine (DETA) or other desirable ethyleneamines via continuous transamination of ethylenediamine (EDA), and other ethyleneamines over a heterogeneous catalyst system'2013 8,293,676'Low metal loaded, alumina supported, catalyst compositions and amination process'2012 8,273,884'Methods of making cyclic, N-amino functional triamines'2012 8,187,997'Low metal loaded, catalyst compositions including acidic mixed metal oxide as support'2012 8,188,318'Method of manufacturing ethyleneamines'2012 8,124,808'Transalkoxylation of nucleophilic compounds'2012 7,740,692'Wood preservative composition'2010 6,765,101'Synthesis of lower alkylene oxides and lower alkylene glycols from lower alkanes and/or lower alkenes'2004 6,306,249'Method for treating contaminated surface with aldehyde-based surfactant'2001 6,281,387'Process and catalyst for synthesizing aliphatic, cyclic and aromatic alkanolamines and alkyleneamines'2001 6,277,374'Process for producing by culturing Lactobacillus casei var. rhamnosus yeast and mold inhibiting products'2001 6,051,035'Methods of cleaning fabrics with splittable aldehyde-based surfactants'2000 5,965,414'Process for producing yeast and mold inhibiting products with lactobacillus'1999 5,919,372'Aldehyde-based surfactant and method for treating industrial commercial and institutional waste-water'1999 5,891,820'Reductive amination processes for the selective production of amino-ethyylethanolamine'1999 5,851,434'Ketone-based surfactant and method for treating industrial, commercial, and institutional waste-water'1998 5,750,790'Reductive amination catalysts'1998 5,744,065'Aldehyde-based surfactant and method for treating industrial, commercial, and institutional waste-water'1998 5,744,064'Ketone-based surfactant and method for treating industrial, commerical, and institutional waste-water'1998 5,600,000'Reductive amination processes for the selective production of amino-ethylethanolamine'1997 5,280,120'Catalytic processes for the preparation triethylenediamine'1994 5,262,534'Process for the preparation of nonaromatic cyclic nitrogen-containing compounds'1993 5,247,103'Processes for the preparation of cyclic ethers'1993 5,245,032'Catalytic processes for the preparation of N,N,N-trisubstituted nitrogen-containing compounds'1993 5,231,230'Selective production of diethylenetriamine'1993 5,225,598'Selective production of linear pentaethylenehexamine and hydroxyethyldiethylenetriamine'1993 5,225,599'Selective production of linear triethylenetetramine and aminoethylethanolamine'1993 5,225,600'Amines catalysis using group VIB metal-containing condensation catalysts'1993 5,220,071'Selective production of pentaethylenehexamine and hydroxyethyltriethylenetetramine'1993 5,220,069'Processes for the preparation of carbamates'1993 5,214,213'Selective production of linear tetraethylenepentamine and hydroxyethyldiethylenetriamine'1993 5,214,215'Selective production of aminoethylethanolamine'1993 5,214,142'Processes for the preparation of aminoethers'1993 5,210,322'Processes for the preparation of ethers'1993 5,210,306'Promoted amines catalysis'1993 5,202,489'Amines catalysis'1993 5,194,613'Catalytic processes for the preparation of bridged nitrogen-containing compounds'1993 5,191,123'Processes for the preparation of hydroxyl-containing compounds'1993 5,191,104'Alkoxylation of carboxylated compounds'1993 5,166,415'Selective production of diethylenetriamine and aminoethylethanolamine'1992 5,164,497'Decarboxylation processes using mixed metal oxide catalysts'1992 5,162,531'Mixed metal oxide catalytic process for the preparation of triethylenediamines'1992 5,136,106'Heterogeneous alkoxylation using anion-bound metal oxides'1992 5,120,697'Alkoxylation using modified calcium-containing catalysts'1992 5,118,650'Alkoxylation using modified Group IIIB metal-containing bimetallic or polymetallic catalysts'1992 5,114,900'Alkoxylation using modified calcium-containing bimetallic or polymetallic catalysts'1992 5,112,789'Alkoxylation catalysis'1992 5,112,788'Alkoxylation using modified group IIA metal-containing bimetallic or polymetallic catalysts'1992 5,104,987'Alkoxylation of active hydrogen-containing compounds'1992 5,104,575'Alkoxylation using heterogeneous calcium catalysts and products therefrom'1992 5,101,074'Vicinal di(hetro) alkylene organometalates and processes for the production of amines therewith'1992 5,025,094'Heterogeneous alkoxylation using anion-bound metal oxides'1991 4,956,177'Method for inhibiting fungi'1990 4,902,658'Alkoxylation using heterogeneous calcium catalysts and products therefrom'1990 4,873,017'Heterogeneous alkoxylation using anion-bound metal oxides'1989 4,727,199'Heterogeneous alkoxylation using anion-bound metal oxides'1988 4,562,077'Method for converting malic acid to lactic acid in wine'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2001Patents assigned to MICROLIFE TECHNICS (4)· patent assignee history

1985–1990Based in Sarasota, FL, US· patent location history

1988–1992Based in Charleston, WV, US· patent location history

1990–2013Based in Scott Depot, WV, US· patent location history

1991–2014Patents assigned to UNION CARBIDE CHEM PLASTIC (53)· patent assignee history

1999–2001Based in Napa, CA, US· patent location history

2012–2015Patents assigned to KING STEPHEN W (14)· patent assignee history

2012–2014Patents assigned to MIERAU STEFAN K (6)· patent assignee history

2012–2021Based in League City, TX, US· patent location history

2014–2021Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (32)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNION CARBIDE CHEM PLASTIC	53	1991–2014
DOW GLOBAL TECHNOLOGIES LLC	32	2014–2021
KING STEPHEN Wself	14	2012–2015
MIERAU STEFAN K	6	2012–2014
MICROLIFE TECHNICS	4	1985–2001

Locations

Location	Patents	Span
Scott Depot, WV, US	44	1990–2013
League City, Texas, US	42	2012–2021
Charleston, WV, US	4	1988–1992
Napa, California, US	2	1999–2001
Sarasota, Florida, US	2	1985–1990