Inventor
Duane S. Treybig
Inventor
Lake Jackson, TX, US
Overview
Patents· 61 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
C07DHeterocyclic compounds10%
C23FNon-mechanical removal of metallic material from surface10%
C08LCompositions of macromolecular compounds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
E21BEarth or rock drilling6%
Y10TTechnical subjects covered by former us classification3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
PatentTitleYear
10,001,769Systems and methods for optimizing formation fracturing operations20189,945,220Methods and system for creating high conductivity fractures20189,909,404'Method to consolidate solid materials during subterranean treatment operations'20187,504,438'Demulsifiers, their preparation and use in oil bearing formations'20097,417,011'Method and composition for recovering hydrocarbon fluids from a subterranean reservoir'20087,244,698'Viscoelastic surfactant composition having improved rheological properties and method of using for treating subterranean formations'20077,053,127'Quaternized amido cyclic amine surfactant'20066,964,940'Method of preparing quaternized amidoamine surfactants'20056,787,506'Use of dispersion polymers as friction reducers in aqueous fracturing fluids'20046,569,983'Method and composition for recovering hydrocarbon fluids from a subterranean reservoir'20036,540,943'Method of inhibiting corrosion of metal equipment which is cleaned with an inorganic acid'20036,429,336'Process for recovering toluene diamine from toluene diisocyanate distillation residues'20025,756,591'Curable compositions which contain network polymers'19985,663,259'Curable compositions which contain network polymers'19975,386,008'Advanced and unadvanced compositions, nucleophilic derivatives thereof and curable and coating compositions thereof'19955,151,485'Advanced epoxy compositions, curable compositions and cured products'19925,147,905'Advanced and unadvanced compositions, nucleophilic derivatives thereof and curable and coating compositions thereof'19925,095,050'Advanced epoxy compositions, curable compositions and cured products'19925,057,557'Modified epoxy resin compositions'19915,021,471'Modified epoxy resin compositions'19915,015,511'Linear low density ethylene interpolymers for injection molding'19914,981,978'Reaction products of imidazole on pyrazole derivatives and 4-isopropenyl-1-cyclohexene-1-carboxaldehyde'19914,980,452'Thermosettable prepolymers prepared from heterocyclic materials having alkyl substituents, mono- or dianhydrides, ethylenically unsaturated materials and a hydroxide, carbonate or bicarbonate of a metal of Groups I-A or II-A'19904,961,867'Process for preventing corrosion of metals by contacting them with compositions prepared from amino substituted pyrazines and carboxylic acids carboxylic acid anhydrides, carboxylic acid, esters or carboxylic acid halides'19904,957,640'Corrosion prevention with compositions prepared from organic fatty amines and nitrogen-containing aromatic heterocyclic compounds'19904,950,411'Corrosion inhibitor compositions'19904,946,911'Epoxy resin and water borne coatings therefrom'19904,927,932'Reaction products of pyrimidine, pyridazine and 4-isopropenyl-1-cyclohexene-1-carboxaldehyde'19904,927,913'Cured product from thermosettable prepolymer prepared from heterocyclic materials having alkyl substituents, mono- or dianhydrides, ethylenically unsaturated materials and a hydroxide, carbonate or bicarbonate of a metal of groups I-A or II-A'19904,880,934'Preparation of hydroxyalkylpiperazinones by reacting a 2,3-dihydroxy-1,4-dioxane with a hydroalkyldiamine'19894,871,848'Compositions prepared from hydrocarbyl substituted nitrogen-containing aromatic heterocyclic compounds, an aldehyde and/or ketone and an amine'19894,861,884'Compositions prepared from amino substituted pyrazines and carboxylic acids, carboxylic acid anhydrides, carboxylic acid esters or carboxylic acid halides'19894,847,355'Thermosettable prepolymer prepared from heterocyclic material having alkyl substituents, mono- or dianhydride, ethylenically unsaturated material and a hydroxide, carbonate of bicarbonate of a metal of groups I-A or II-A'19894,837,323'Corrosion inhibitors'19894,837,324'Process for the reaction of piperazine, and derivatives thereof, with glyoxal, and derivatives thereof'19894,831,137'Reaction products of pteridine and 4-isopropenyl-1-cyclohexene-1-carboxaldehyde'19894,814,443'Preparation of hydroxyalkylpiperazinones by reacting glyoxal with hydroxyalkyldiamines'19894,814,447'Preparation of hydroxyalkylpiperazinones by reacting an alkylene oxide with decahydropyrazino[2,3-b]pyrazine or its substituted derivatives'19894,812,531'Thermosettable polymers or prepolymers prepared from heterocyclic materials having alkyl substituents, mono- or dianhydrides, ethylenically unsaturated materials and a hydroxide, carbonate or bicarbonate of a metal of groups I-A or II-A'19894,784,797'Process for inhibiting corrosion of ferrous metals'19884,784,796'Corrosion inhibitors'19884,783,327'Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones'19884,765,839'Bituminous compositions containing anti-stripping additives prepared from amines and substituted heterocyclic compounds'19884,762,627'Corrosion inhibitors'19884,761,476'Compounds formed by the reaction of piperazine, and derivatives thereof, with glyoxal, and derivatives thereof'19884,761,473'Novel compositions prepared from organic amines and nitrogen-containing aromatic heterocyclic compounds substituted with at least one group selected from carboxylic acid, carboxylic acid ester, carboxylic acid anhydride and carboxylic acid halide'19884,755,600'Reaction products of pyrazine, pyridine, quinoline and quinoxaline derivatives and 4-isopropenyl-1-cyclohexene-1-carboxaldehyde'19884,752,636'Thermosettable polymer or prepolymer prepared from heterocyclic materials containing nitrogen atoms, carboxylic acid mono- or dianhydrides and a polymerizable material with ethylenically unsaturated groups and cured products therefrom'19884,740,320'Process for preventing corrosion of a metal in contact with a well fluid'19884,725,373'Novel compositions prepared from alkyl substituted nitrogen-containing aromatic heterocyclic compounds and dicarboxylic acid monoanhydrides'19884,724,003'Asphalt compositions containing anti-stripping additives prepared from hydrocarbyl substituted nitrogen-containing aromatic heterocyclic compounds, aldehydes or ketones and amines'19884,701,484'Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and aldehydes'19874,680,347'Thermosettable polystyrylpyrazine polymers terminated with ethylenically unsaturated groups and cured products therefrom'19874,676,834'Novel compositions prepared from methyl substituted nitrogen-containing aromatic heterocyclic compounds and an aldehyde or ketone'19874,668,766'Preparation of thermosettable polymer or prepolymer from heterocyclic material containing nitrogen atoms, carboxylic acid mono- or dianhydride and a polymerizable material with ethylenically unsaturated group'19874,654,414'Thermosettable polymer or prepolymer prepared from heterocyclic material having alkyl substituent, mono- or dianhydride, ethylenically unsaturated material and a hydroxide, carbonate or bicarbonate of a metal of groups I-A or II-A'19874,629,770'Thermosettable polystyrylpyrazine polymers terminated with ethylenically unsaturated groups and cured products therefrom'19864,613,663'Thermoplastic and thermosettable products prepared by reacting nitrogen-containing heterocyclic compounds with aromatic aldehydes'19864,575,542'Thermosettable polystyrylpyridine prepolymer terminated with ethylenically unsaturated groups and cured products therefrom'19864,543,388'Thermosettable polymers or prepolymers prepared from polymethylated pyrazines and aromatic polyaldehydes and cured products therefrom'19854,528,391'Pyrazino pyrazine compounds as catalysts for preparing urethanes'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2002Patents assigned to DOW CHEMICAL CO (50)· patent assignee history
1985–1998Based in Lake Jackson, TX, US· patent location history
2002–2009Based in Sugarland, TX, US· patent location history
2003–2008Based in Sugar Land, TX, US· patent location history
2004Patents assigned to NALCO ENERGY SERVICES LP (1)· patent assignee history
2006–2009Patents assigned to NALCO CO (4)· patent assignee history
2018Patents assigned to LUBRIZOL CORP (2)· patent assignee history
2018Patents assigned to LUBRIZOL OILFIELD SOLUTIONS INC (2)· patent assignee history
2018Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 50 | 1985–2002 |
| NALCO CO | 4 | 2006–2009 |
| LUBRIZOL CORP | 2 | 2018 |
| LUBRIZOL OILFIELD SOLUTIONS INC | 2 | 2018 |
| NALCO ENERGY SERVICES LP | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lake Jackson, Texas, US | 49 | 1985–1998 |
| Sugar Land, Texas, US | 7 | 2003–2008 |
| Houston, Texas, US | 3 | 2018 |
| Sugarland, Texas, US | 2 | 2002–2009 |