DP

Donald Edward Putzig

EA E.I. Du Pont De Nemours And: 38 patents #77 of 8,010Top 1%
DC Dorf Ketal Speciality Catalysts: 7 patents #1 of 1Top 100%
📍 Newark, DE: #13 of 1,550 inventorsTop 1%
🗺 Delaware: #96 of 7,163 inventorsTop 2%
Overall (All Time): #61,131 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
8518861 Solid zirconium-based cross-linking agent and use in oil field applications 2013-08-27
8252731 Solid zirconium-based cross-linking agent and use in oil field applications 2012-08-28
8247356 Zirconium-based cross-linking composition for use with high pH polymer solutions 2012-08-21
8242060 Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applications 2012-08-14
8236739 Zirconium-based cross-linker compositions and their use in high pH oil field applications 2012-08-07
8153564 Zirconium-based cross-linking composition for use with high pH polymer solutions 2012-04-10
8044001 Solid zirconium-based cross-linking agent and use in oil field applications 2011-10-25
8044002 Solid zirconium-based cross-linking agent and use in oil field applications 2011-10-25
7851417 Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluids 2010-12-14
7795187 Permeable zone and leak plugging using cross-linking composition comprising zirconium triethanolamine complex 2010-09-14
7795188 Zirconium-base cross-linker compositions and their use in high pH oil field applications 2010-09-14
7795189 Zirconium-hydroxy alkylated amine-hydroxy carboxylic acid cross-linking composition for use with high pH polymer solutions 2010-09-14
7795190 Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids 2010-09-14
7790657 Process to prepare borozirconate solution and use a cross-linker in hydraulic fracturing fluids 2010-09-07
7754660 Process to prepare zirconium-based cross-linker compositions and their use in oil field applications 2010-07-13
7732383 Process for stabilized zirconium triethanolamine complex and uses in oil field applications 2010-06-08
7730952 Hydraulic fracturing methods using cross-linking composition comprising zirconium triethanolamine complex 2010-06-08
7732382 Cross-linking composition and method of use 2010-06-08
7732384 Solid borozirconate and borotitanate cross-linkers Peter Jernakoff 2010-06-08
7683011 Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluids 2010-03-23
7226888 Composition comprising titanium and aluminium and polyester production 2007-06-05
7138356 Alkoxylated phosphite ester and process therefor 2006-11-21
7122690 Process to prepare metal complex of N,N-bis(2-hydroxyethyl)glycine 2006-10-17
RE39246 Esterification catalysts and processes therefor and therewith 2006-08-22
7057006 Stable aqueous solutions comprising titanium and zinc and process therewith Edward Francis McBride 2006-06-06