Inventor
Dennis G. Peiffer
Inventor
East Brunswick, NJ, US
Overview
Patents· 128 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere15%
C08LCompositions of macromolecular compounds8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08JWorking-up8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B01DSeparation5%
C10MLubricating compositions5%
Y10TTechnical subjects covered by former us classification5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C10LFuels not otherwise provided for4%
PatentTitleYear
10,844,264Lubricant compositions comprising diol functional groups and methods of making and using same202010,414,964Lubricant compositions containing phosphates and/or phosphites and methods of making and using same201910,207,249Organosilica materials and uses thereof20199,713,788'Non-aqueous amine scrubbing for removal of carbon dioxide'20179,610,533'Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof'20179,533,249'Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof'20179,533,248'Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof'20179,333,484'Reversible CO2 fixation via self-assembled siloxanes'20169,186,617'Non-aqueous amine scrubbing for removal of carbon dioxide'20159,169,369'Vinylepoxide-amine acid gas adsorption-desorption polymers and oligomers, processes for preparing same, and uses thereof'20159,169,370'Polyvinyl-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof'20159,115,260'Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof'20158,845,886'Functionalized filters for heavy oil upgrading'20148,715,545'Systems and methods for forming high performance compressible objects'20148,557,027'Epoxy-amine acid gas adsorption-desorption polymers and oligomers, processes for preparing same, and uses thereof'20138,088,716'Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud'20128,088,717'Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud'20128,083,946'Chemically cross-linked polymeric membranes and method of use'20118,076,269'Compressible objects combined with a drilling fluid to form a variable density drilling mud'20117,997,426'Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes'20117,980,329'System for managing variable density drilling mud'20117,972,555'Method for fabricating compressible objects for a variable density drilling mud'20117,842,124'Polymer membrane for separating aromatic and aliphatic compounds'20107,837,880'Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes'20107,803,276'Regeneration of sulfuric acid'20107,785,471'Chromatographic membrane separation'20107,749,387'Integrally-layered polymeric membranes and method of use'20107,708,151'Membrane for separating aromatic and aliphatic compounds'20107,677,332'Method and apparatus for managing variable density drilling mud'20107,186,673'Stability enhanced water-in-oil emulsion and method for using same'20077,067,599'Fuel oil additives and compositions'20066,734,144'Solids-stabilized water-in-oil emulsion and method for using same'20046,508,848'Macromolecular materials'20036,388,018'Graft copolymers containing ionomer units'20026,297,301'Thermoplastic elastomer compositions having improved processing properties'20016,194,622'Method for inhibiting hydrate formation'20016,124,428'Method of processing polyethylene and polyethylene/elastomer blends'20006,121,356'Plasticized sulfonated ionomers'20006,111,027'Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides'20006,107,454'Method of processing polyethylene'20006,100,224'Copolymers of ethylene .alpha.-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels'20006,060,563'Graft copolymers containing ionomer units'20006,060,549'Rubber toughened thermoplastic resin nano composites'20006,034,164'Nanocomposite materials formed from inorganic layered materials dispersed in a polymer matrix'20006,015,929'Gas hydrate anti-agglomerates'20005,883,173'Nanocomposite materials (LAW392)'19995,841,010'Surface active agents as gas hydrate inhibitors'19985,807,629'Tactoidal elastomer nanocomposites'1998H0001749'Method for inhibiting hydrate formation'19985,677,381'Ethylene copolymer-monofunctional ionomer compositions'19975,652,284'Thermoplastic elastomer-asphalt nanocomposite composition'19975,627,225'Road paving binders'19975,580,844'Encapsulated breaker chemical'19965,413,856'Sustained release agricultural substrate coated with a blend of EPDM and asphalt'19955,348,994'Polymer-modified functionalized asphalt compositions and methods of preparation (C-2747)'19945,294,672'Polyethylene reinforced elastomeric blend compositions'19945,288,773'Sulfonated unhydrogenated copolymers of styrene and butadiene'1994H0001077'Interfacial viscosification of aqueous solutions utilizing interpolymer complexes'19925,096,603'Thermally stable hydrophobically associating rheological control additives for water-based drilling fluids'19925,095,073'Water soluble rigid rod sulfonated aromatic polyamide'19925,093,448'Polymerizable cationic visco-elastic monomer fluids'19925,071,934'Cationic hydrophobic monomers and polymers'19915,068,278'Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution'19915,066,753'Polymerizable cationic viscoelastic monomer fluids'19915,064,903'Elastomeric toughened polyethylene blends'19915,036,136'Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers'19915,026,490'Zwitterionic functionalized polymers as deflocculants in water based drilling fluids'19914,978,461'Low and high temperature drilling fluids based on sulfonated terpolymer ionomers'19904,975,482'Viscoelastic fluids formed through the interaction of polymerizable vesicles and alkyl-containing polymers (C-2381)'19904,970,260'Novel viscosifiers for salt-containing solutions based on polymer complexes'1990H0000837'Drilling fluids based on polymer complexes'19904,960,821'Compatible mixtures of cationic viscoelastic monomer fluids and cationic-alkyl containing copolymers'19904,946,916'Novel polyampholyte compositions possessing high degree of acid, base, or salt tolerance in solution'19904,942,189'Interfacial viscosification of aqueous solutions utilizing interpolymer complex'19904,910,248'Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers'19904,904,722'Method for controlling viscosity of organic liquids and compositions thereof'19904,894,422'N-sulfoalkyl polyamide water soluble hydrophobically-associating rigid rod polymer'19904,853,447'Polymerization of cationic N,N-dimethylalkylamine type monomers'19894,847,342'Cationic-hydrogen bonding type hydrophobically associating copolymers'19894,837,288'Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution'1989H0000495'Drilling fluids based on hydrocarbon soluble polyampholytes'19884,739,834'Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes'19884,738,997'Asphalt blends based on polymer complexes'19884,737,534'Method for controlling viscosity of organic liquids and compositions thereof'19884,710,555'Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution'19874,701,263'Use of amine neutralized sulfonated polystyrenes for particle flocculation'19874,683,952'Fluid loss control in oil field cements'19874,665,115'Method for controlling viscosity of organic liquids and compositions'19874,656,204'Process for use of drag reduction agent in a hydrocarbon liquid'19874,647,603'Controlled gelation of hydrocarbon solutions containing interpolymer complexes'19874,640,945'Drag reduction with novel hydrocarbon soluble polyampholytes'19874,637,882'Polyampholytes - high temperature viscosifiers for high ionic strength drilling fluids'19874,627,926'Thermally stable borehole fluids'19864,626,285'Fluid loss control in oil field cements'19864,621,111'Acid base interacting polymer solutions'19864,617,337'Novel polymer compositions based on sulfonated ionomers and amine containing polymers'19864,615,393'Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations'19864,608,425'High charge density polymeric complexes - viscosifiers for acid, base and salt (aqueous) solutions'19864,599,377'Acid base interacting polymer solutions'19864,584,339'Dilatant behavior of interpolymer complexes in aqueous solution'19864,579,669'High temperature drilling fluids based on sulfonated thermoplastic polymers'19864,579,671'Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations'19864,575,530'Multifunctional polymeric additive'19864,560,710'Drag reduction agent'19854,552,916'Polymer compositions based on sulfonated ionomers and amine containing polymers'19854,540,496'Intramolecular polymer complexes - viscosifiers for high ionic strength drilling fluids'19854,537,688'Low and high temperature drilling fluids based on sulfonated terpolymer ionomers'19854,536,539'Dilatant behavior of interpolymer complexes in aqueous solution'19854,525,522'Drilling fluids based on sulfonated thermoplastic polymers having improved low temperature rheological properties'19854,522,960'Controlled gelation on nonaqueous solutions containing low charge density polyampholytes'19854,520,158'Nonaqueous solvent soluble polyampholytes-viscosifier and shear thickening additive'19854,517,333'Novel viscosifiers for aqueous fluids based on polymer complexes'19854,516,982'Antimisting system for hydrocarbon fluids'19854,510,998'Fluid loss additive for well drilling'19854,508,128'Drag reduction agent for hydrocarbon liquid'19854,497,923'Shear thickening of organic diluents via interpolymer complexes'19854,489,180'Drag reduction agent utilizing water soluble interpolymer complexes'19844,480,063'Polymer compositions based on sulfonated ionomers and amine containing polymers'19844,465,801'Interfacial viscosification of aqueous system utilizing sulfonated ionomers'19844,461,884'Intramolecular polymeric complexes-viscosifiers for acid, base and salt (aqueous) solutions'19844,460,758'Drag reduction agents for aqueous salt solutions'19844,448,926'Viscosification of hydrocarbon fluids'19844,427,812'Interfacial viscosification of salt water systems utilizing sulfonated ionomers'19844,426,473'Interfacial viscosification of aqueous acid systems utilizing sulfonated ionomers'19844,425,455'Drilling fluids based on powdered sulfonated thermoplastic polymers'19844,425,461'Drilling fluids based on a mixture of a sulfonated thermoplastic polymer and a sulfonated elastomeric polymer'19844,404,255'Colloidal coating for small three dimensional articles, and particularly for fusion targets having glass shells'19834,315,958'Colloidal coating for small three dimensional articles, and particularly for fusion targets having glass shells'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1992Based in East Brunswick, NJ, US· patent location history
1984–2000Patents assigned to EXXON RESEARCH ENGINEERING CO (80)· patent assignee history
1991–2020Based in Annandale, NJ, US· patent location history
1998Based in Le Roy, NY, US· patent location history
2001–2014Patents assigned to EXXONMOBIL UPSTREAM RES CO (10)· patent assignee history
2002–2019Patents assigned to EXXONMOBIL RES & ENG CO (20)· patent assignee history
2010Based in Annadale, NJ, US· patent location history
2011–2017Patents assigned to PEIFFER DENNIS G (11)· patent assignee history
2013–2019Patents assigned to LI QUANCHANG (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXON RESEARCH ENGINEERING CO | 80 | 1984–2000 |
| EXXONMOBIL RES & ENG CO | 20 | 2002–2019 |
| PEIFFER DENNIS Gself | 11 | 2011–2017 |
| EXXONMOBIL UPSTREAM RES CO | 10 | 2001–2014 |
| LI QUANCHANG | 10 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| East Brunswick, New Jersey, US | 68 | 1982–1992 |
| Annandale, New Jersey, US | 58 | 1991–2020 |
| Annadale, New Jersey, US | 1 | 2010 |
| Le Roy, New York, US | 1 | 1998 |