Inventor
Michael K. Poindexter
Inventor
Sugar Land, TX, US
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Gprimary
C10GCracking hydrocarbon oils18%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
C07CAcyclic or carbocyclic compounds11%
E21BEarth or rock drilling9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
B01DSeparation8%
C02FTreatment of water, waste water, sewage, or sludge8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C08LCompositions of macromolecular compounds4%
C04BLime, magnesia3%
PatentTitleYear
11,001,512Treatment of aqueous mineral suspensions with polymeric flocculants202111,001,514Method of treating high-solids mineral slurries with polymeric flocculants202110,933,955Crude oil cargo recirculation system202110,858,570Aqueous cement compositions incorporating particles that are activated to control rheology when water soluble portions of the particles are released in the presence of water202010,781,117Flocculation of high-solids mineral slurries202010,315,944Polymeric flocculants for treating aqueous mineral suspensions20199,943,782Cationic vinyl imidazolium-based copolymer for separating an oil-in-water emulsion20189,758,397'N-vinylpyrrolidone-based cationic copolymer for separating an oil-in-water emulsion'20179,688,899'Curable composition for use as lost circulation material'20179,631,131'Polyaminopolyamide-epichlorohydrin resins for use as clay and shale inhibition agents for the drilling industry'20179,598,626'Clay and shale inhibition agents and method of use'20179,587,160'Curable cross-linkable compositions for use as lost circulation material'20179,574,126'Glycol ether amines for use as clay and shale inhibition agents for the drilling industry'20179,416,051'Cementing composition comprising nonionic hydrophobically-modified cellulose ethers and its use'20169,328,279'Mono-quaternary amine alcohols for use of clay and shale inhibition agents for the drilling industry'20169,267,364'Oil recovery'20168,911,615'Recovery and separation of crude oil and water from emulsions'20146,121,602'Method for monitoring foam and gas carry under and for controlling the addition of foam inhibiting chemicals'20005,954,943'Method of inhibiting coke deposition in pyrolysis furnaces'19995,879,534'Non-enolizable oxygenates as anti foulants in ethylene dichloride manufacture'19995,779,881'Phosphonate/thiophosphonate coking inhibitors'19985,770,041'Non-enolizable oxygenates as antifoulants'19985,733,438'Coke inhibitors for pyrolysis furnaces'19985,734,098'Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors'19985,556,575'Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amine'19965,360,531'Phosphoric triamide coking inhibitors'19945,354,450'Phosphorothioate coking inhibitors'19945,324,393'Fouling prevention in ethylene dichloride distillation units'19945,288,925'Method for inhibiting the deposition of ethylene-vinyl alcohol copolymer'19945,285,006'Compressor fouling inhibition in vinyl acetate production units'19945,240,469'Antifoulant composition comprising an acrylate ester containing C.sub.4 -C.sub.22 alcohol esters and amino alcohol esters and phenylene diamine'19935,045,156'Distillation of isophthalonitrile with a hydrocarbon liquid'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1994Patents assigned to NALCO CHEMICAL CO (7)· patent assignee history
1991Based in Sugarland, TX, US· patent location history
1993–2021Based in Sugar Land, TX, US· patent location history
1996–2000Patents assigned to NALCO EXXON ENERGY CHEM LP (8)· patent assignee history
2014–2017Patents assigned to POINDEXTER MICHAEL K (3)· patent assignee history
2016–2021Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (15)· patent assignee history
2021Patents assigned to AMERICAN COMMERCIAL BARGE LINE LLC (1)· patent assignee history
2021Based in Otisco, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW GLOBAL TECHNOLOGIES LLC | 15 | 2016–2021 |
| NALCO EXXON ENERGY CHEM LP | 8 | 1996–2000 |
| NALCO CHEMICAL CO | 7 | 1991–1994 |
| POINDEXTER MICHAEL Kself | 3 | 2014–2017 |
| AMERICAN COMMERCIAL BARGE LINE LLC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sugar Land, Texas, US | 30 | 1993–2021 |
| Otisco, IN, US | 1 | 2021 |
| Sugarland, Texas, US | 1 | 1991 |