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 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7049390 Poly(1,3-propylene-co-1,4:3,6-dianhydro-D-sorbitol terephthalate) and manufacturing process Douglas J. Adelman, Robin N. Greene 2006-05-23
7026434 Polyester and process therefor 2006-04-11
6998462 Polyester process Jiwen F. Duan 2006-02-14
6855797 Stable aqueous solutions comprising titanium and zinc and process therewith Edward Francis McBride, Clive Alexander Hamilton, Andrea Smith 2005-02-15
6774204 Polyester and process therefor 2004-08-10
6541598 Composition comprising titanium and process therewith Jiwen F. Duan, Frederick K Mallon, Timothy M. Davis 2003-04-01
6489433 Metal-containing composition and process therewith Jiwen F. Duan, Frederick K Mallon, Timothy M. Davis 2002-12-03
6426398 Poly (trimethylene terephthalate) polymer composition Joseph V. Kurian, Yuanfeng Liang 2002-07-30
6303738 Esterification process Kathy Lynn Fortmann 2001-10-16
6255442 Esterification process Joseph V. Kurian, Yuanfeng Liang 2001-07-03
6255441 Titanium-containing catalyst composition and processes therefor and therewith Edward Francis McBride, Hiep Do, James Arthur Trainham, Hermann Ludwig Jaeger, Heiner Schulte 2001-07-03
6166170 Esterification catalysts and processes therefor and therewith 2000-12-26
6080834 Titanium-containing catalyst composition and processes therefor and therewith Edward Francis McBride, Hiep Do, James Arthur Trainham, Hermann Ludwig Jaeger, Heiner Schulte 2000-06-27
6075115 Process for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefrom William G. Peet 2000-06-13
6066714 Titanium-containing catalyst composition and processes therefor and therewith Edward Francis McBride, Hiep Do, James Arthur Trainham, Hermann Ludwig Jaeger, Heiner Schulte 2000-05-23
4996336 Cross-linking titanum & zirconium; chelates & Their use Kenneth C. Smeltz 1991-02-26
4953621 Organic titanium compositions useful as cross-linkers Kenneth C. Smeltz 1990-09-04
4885103 Cross-linking titanium & zirconium chelates & their use Kenneth C. Smeltz 1989-12-05
4883605 Zirconium chelates and their use for cross-linking 1989-11-28
4808739 Cross-linking titanium & zirconium chelates & their use Kenneth C. Smeltz 1989-02-28
4798902 Zirconium chelates and their use for cross-linking 1989-01-17
4618435 Organic titanium compositions for use in oil and gas wells 1986-10-21