RF

Roger Harquail French

EA E.I. Du Pont De Nemours And: 27 patents #162 of 8,010Top 3%
📍 Wilmington, DE: #132 of 3,182 inventorsTop 5%
🗺 Delaware: #252 of 7,163 inventorsTop 4%
Overall (All Time): #147,134 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
9169208 Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties Ross Getty, Simona Percec 2015-10-27
9169338 Photocrosslinkable fluoropolymers, UV processes and photocrosslinked polymers Robert Clayton Wheland 2015-10-27
9099592 Optical element producing a modulated region of increased light intensity and optically enhanced photovoltaic cell and LED lighting device including the same Rebekah Ann Derryberry, Mark E. Lewittes, Ronald Jack Riegert, Jose Manuel Rodriguez-Parada 2015-08-04
8648248 Photovoltaic assemblies incorporating an optical element having internal inclusions configured for maximum conversion efficiency Jose Manuel Rodriguez-Parada, Ronald Jack Riegert, Mark E. Lewittes 2014-02-11
8441735 Optical element having internal inclusions configured for maximum conversion efficiency Jose Manuel Rodriguez-Parada, Ronald Jack Riegert, Mark E. Lewittes 2013-05-14
7638632 Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties Ross Getty, Simona Percec 2009-12-29
7589242 Use of highly purified hydrocarbons in vacuum ultraviolet applications Sheng Peng, Robert Clayton Wheland 2009-09-15
7493743 Packages for alkanes having ultra-high transparency at 193 nm Robert Clayton Wheland, Curtis R. Fincher, Jr., Sheng Peng, Weiming Qiu 2009-02-24
7465667 Highly purified liquid perfluoro-n-alkanes and method for preparing Robert Clayton Wheland 2008-12-16
7438995 Use of partially fluorinated polymers in applications requiring transparency in the ultraviolet and vacuum ultraviolet Robert Clayton Wheland, Weiming Qiu 2008-10-21
7435528 Processes and devices using polycyclic fluoroalkanes in vacuum and deep ultraviolet applications Sheng Peng, Weiming Qiu 2008-10-14
7402377 Use of perfluoro-n-alkanes in vacuum ultraviolet applications Robert Clayton Wheland 2008-07-22
7300743 Radiation durable organic compounds with high transparency in the vacuum ultraviolet, and method for preparing David Jones, Robert Clayton Wheland 2007-11-27
7129009 Polymer-liquid compositions useful in ultraviolet and vacuum ultraviolet uses Robert Clayton Wheland 2006-10-31
7084314 Polycyclic fluoroalkanes Weiming Qiu, Sheng Peng 2006-08-01
6998358 Method for providing nano-structures of uniform length Timothy Gierke, Mark Harmer, Anand Jagota, Steven Raymond Lustig, Rakesh Mehta +2 more 2006-02-14
6946410 Method for providing nano-structures of uniform length Timothy Gierke, Mark Harmer, Anand Jagota, Steven Raymond Lustig, Rakesh Mehta +2 more 2005-09-20
6872503 Copolymers for photoresists and processes therefor Robert Clayton Wheland, Frank Leonard Schadt, III, Frederick C. Zumsteg, Jr. 2005-03-29
6824930 Ultraviolet and vacuum ultraviolet transparent polymer compositions and their uses Robert Clayton Wheland, Fredrick Claus Zumsteg, Jr. 2004-11-30
6770404 Ultraviolet and vacuum ultraviolet transparent polymer compositions and their uses Robert Clayton Wheland, Fredrick Claus Zumsteg, Jr. 2004-08-03
6174631 Attenuating phase shift photomasks Kenneth George Sharp 2001-01-16
6096460 Attenuating phase shift photomasks Kenneth George Sharp 2000-08-01
5897976 Attenuating embedded phase shift photomask blanks Peter Francis Carcia 1999-04-27
5897977 Attenuating embedded phase shift photomask blanks Peter Francis Carcia 1999-04-27
5459002 Photomask blanks Hakki Ufuk Alpay, Franklin D. Kalk 1995-10-17