Inventor · disambiguated record
Donald N. Schulz
Also filed as: SCHULZ DONALD N · SCHULZ DONALD NORMAN
69 granted patents·1 pending application·1,065 citations·filing 1974–2019
99Inventor score
Files withEXXON RESEARCH ENGINEERING CO31FIRESTONE TIRE & RUBBER CO21EXXONMOBIL RES & ENG CO13EXXONMOBIL CHEM PATENTS INC3EXXON CHEMICAL PATENTS INC1
Top patents by PatentIndex Score
70 records- 0196US4015061AProtected amino-functional initiators and amino-terminated polymers and their productionFIRESTONE TIRE & RUBBER CO·Filed 1975·Granted Mar 29, 1977·74 cites·7 claims
- 0294US4476240ACatalyst system containing an anionic initiator based on lithium and phosphine oxide modifierFIRESTONE TIRE & RUBBER CO·Filed 1982·Granted Oct 9, 1984·63 cites·5 claims
- 0388US4518757ADrag reduction agent for hydrocarbon liquidEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted May 21, 1985·32 cites·4 claims
- 0488US4480693AFluid loss control in oil field cementsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Nov 6, 1984·41 cites·7 claims
- 0588US4463151AProcess for the formation of novel acrylamide acrylate copolymersEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Jul 31, 1984·42 cites·8 claims
- 0686US7247687B2Late transition metal catalysts for olefin polymerization and oligomerizationEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Jul 24, 2007·34 cites·94 claims
- 0786US4709759AEnhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionalityEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Dec 1, 1987·41 cites·10 claims
- 0885US4663408ATetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamideEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted May 5, 1987·39 cites·1 claims
- 0984US7479531B2Olefin polymerization catalyst system useful for polar monomersEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Jan 20, 2009·5 cites·13 claims
- 1084US6750278B2Polyvinyl chloride resinsEXXONMOBIL RES & ENG CO·Filed 2002·Granted Jun 15, 2004·19 cites·24 claims
- 1184US4822847AMethod of increasing viscosity of an aqueous solution with a sulfo betaine polymerEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Apr 18, 1989·38 cites·1 claims
- 1281US6037297ACatalyst complexes and polymers therefromEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Mar 14, 2000·38 cites·15 claims
- 1381US4607076ABetaine copolymers-viscosifiers for water and brineEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Aug 19, 1986·30 cites·1 claims
- 1481US4585846ACyclopolymerizable sulfobetaine monomerEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Apr 29, 1986·33 cites·3 claims
- 1580US4788247ATerpolymers of acrylamide, alkyl polyetheroxyacrylate and betaine monomersEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Nov 29, 1988·30 cites·2 claims
- 1680US4650848ATerpolymers of acrylamide, alkylacrylamide and betaine monomersEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Mar 17, 1987·28 cites·2 claims
- 1779US5153289ABetaine copolymers-viscosifiers for water and brineEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Oct 6, 1992·25 cites·3 claims
- 1879US4882405ATerpolymers of acrylamide, alkylacrylamide and betaine monomersEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Nov 21, 1989·25 cites·2 claims
- 1976US4742135ATerpolymers of acrylamide, alkylacrylamide and betaine monomersEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted May 3, 1988·23 cites·2 claims
- 2075US4463152AAcrylamide acrylate copolymersEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Jul 31, 1984·20 cites·9 claims
- 2175US4052370AAlkali metal aliphatic and aromatic hydrocarbon acetals and ketals and their use as polymerization initiatorsFIRESTONE TIRE & RUBBER CO·Filed 1974·Granted Oct 4, 1977·18 cites·11 claims
- 2274US6977277B2Polyvinyl chloride resinsEXXONMOBIL RES & ENG CO·Filed 2003·Granted Dec 20, 2005·11 cites·25 claims
- 2374US6809058B2Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexesEXXONMOBIL RES & ENG CO·Filed 2001·Granted Oct 26, 2004·11 cites·1 claims
- 2474US5130371ACrystalline polyolefin graft copolymersEXXON CHEMICAL PATENTS INC·Filed 1990·Granted Jul 14, 1992·26 cites·4 claims
- 2574US4708998ACyclopolymerizable sulfobetaine monomerEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Nov 24, 1987·21 cites·1 claims
- 2673US7504465B2Linear functional copolymers of ethylene with precise and minimum run length distributions and methods of making thereofEXXONMOBIL RES & ENG CO·Filed 2008·Granted Mar 17, 2009·2 cites·37 claims
- 2771US4792593ANovel acrylamide acrylate copolymersEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Dec 20, 1988·19 cites·10 claims
- 2871US4546784ADrag reduction agentEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Oct 15, 1985·17 cites·3 claims
- 2970US6740718B2Non-linear polymer product derived from dilute multi-component feedsEXXONMOBIL RES & ENG CO·Filed 2002·Granted May 25, 2004·7 cites·6 claims
- 3066US6417303B1Substantially linear copolymersEXXONMOBIL RES & ENG CO·Filed 1999·Granted Jul 9, 2002·25 cites·15 claims
- 3166US5399632AHydrogenation process for unsaturated homo and copolymersEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Mar 21, 1995·16 cites·12 claims
- 3266US4537939AProcess for production of polymers having increased 1,2-microstructureFIRESTONE TIRE & RUBBER CO·Filed 1984·Granted Aug 27, 1985·14 cites·20 claims
- 3366US4032501ADry-blendable solution rubber powders and processFIRESTONE TIRE & RUBBER CO·Filed 1975·Granted Jun 28, 1977·16 cites·2 claims
- 3465US4139490ADehydrocarbyl magnesium and an alkali metal compound catalyst composition for polymerizing conjugated dienesFIRESTONE TIRE & RUBBER CO·Filed 1977·Granted Feb 13, 1979·15 cites·9 claims
- 3564US6573226B2Use of carbon monoxide containing polymers as, adhesive additives, and fluidsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Jun 3, 2003·3 cites·5 claims
- 3660US4258173APolyphosphazene polymers containing monoetheroxy and polyetheroxy substituentsFIRESTONE TIRE & RUBBER CO·Filed 1979·Granted Mar 24, 1981·10 cites·7 claims
- 3759US11059941B2Methods for preparing materials from polyaromatic heavy feedstocksEXXONMOBIL RES & ENG CO·Filed 2019·Granted Jul 13, 2021·0 cites·13 claims
- 3855US7402642B2Linear functional copolymers of ethylene with precise and minimum run length distributions and method of making thereofEXXONMOBIL RES & ENG CO·Filed 2004·Granted Jul 22, 2008·2 cites·30 claims
- 3955US7285609B2Olefin polymerization catalyst system useful for polar monomersEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Oct 23, 2007·1 cites·50 claims
- 4055US6864334B2Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexesEXXONMOBIL RES & ENG CO·Filed 2004·Granted Mar 8, 2005·2 cites·28 claims
- 4155US4586937AAntimisting system for hydrocarbon fluidsEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted May 6, 1986·10 cites·3 claims
- 4255US4174431AProcess for polymerizing conjugated dienesFIRESTONE TIRE & RUBBER CO·Filed 1978·Granted Nov 13, 1979·10 cites·14 claims
- 4355US4143100AGraft copolymers containing polyoxazoline and polyoxazine, and the preparation thereofFIRESTONE TIRE & RUBBER CO·Filed 1977·Granted Mar 6, 1979·9 cites·17 claims
- 4453US4621111AAcid base interacting polymer solutionsEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Nov 4, 1986·9 cites·15 claims
- 4553US4373068AThermally reversible copolymers and process for the preparation thereofFIRESTONE TIRE & RUBBER CO·Filed 1981·Granted Feb 8, 1983·8 cites·6 claims
- 4652US6541586B2Polymerization processes for using dilute multicomponent feeds (LAW624)EXXONMOBIL RES & ENG CO·Filed 1999·Granted Apr 1, 2003·9 cites·4 claims
- 4749US6506859B1Polymerization using late transition metal catalyst complexes formed in situEXXONMOBIL RES & ENG CO·Filed 2000·Granted Jan 14, 2003·1 cites·15 claims
- 4847US6677279B2Use of carbon monoxide containing polymers as, adhesive additives, and fluidsEXXONMOBIL RES & ENG CO·Filed 2003·Granted Jan 13, 2004·1 cites·3 claims
- 4947US4579926AProcess for the formation of novel acrylamide acrylate copolymersEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Apr 1, 1986·6 cites·7 claims
- 5046US4560710ADrag reduction agentEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Dec 24, 1985·10 cites·3 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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