DR

David A. Roberts

Air Products And Chemicals: 42 patents #14 of 1,997Top 1%
📍 Allentown, PA: #20 of 1,150 inventorsTop 2%
🗺 Pennsylvania: #1,002 of 74,527 inventorsTop 2%
Overall (All Time): #73,958 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
5221366 Etching agents comprising .beta.-diketone and .beta.-ketoimine ligands and a process for using the same John C. Ivankovits, John Anthony Thomas Norman, David A. Bohling 1993-06-22
5213621 Halogenated carboxylic acid cleaning agents for fabricating integrated circuits and a process for using the same John C. Ivankovits, David A. Bohling 1993-05-25
5213622 Cleaning agents for fabricating integrated circuits and a process for using the same David A. Bohling, John C. Ivankovits 1993-05-25
5204141 Deposition of silicon dioxide films at temperatures as low as 100 degree C. by LPCVD using organodisilane sources Arthur Kenneth Hochberg 1993-04-20
5094701 Cleaning agents comprising beta-diketone and beta-ketoimine ligands and a process for using the same John Anthony Thomas Norman, John C. Ivankovits, David A. Bohling 1992-03-10
5062902 Fluxing agents comprising .beta.-diketone and .beta.-ketoimine ligands and a process for using the same Thomas L. Ellison, John C. Ivankovits, John Anthony Thomas Norman 1991-11-05
5028724 Synthesis of volatile fluorinated and non-fluorinated metal-beta-ketonate and metal-beta-ketoiminato complexes John C. Ivankovits, David A. Bohling, John Anthony Thomas Norman 1991-07-02
5013690 Method for deposition of silicon films from azidosilane sources Arthur Kenneth Hochberg, David L. O'Meara 1991-05-07
5009725 Fluxing agents comprising .beta.-diketone and .beta.-ketoimine ligands and a process for using the same Thomas L. Ellison, John C. Ivankovits, John Anthony Thomas Norman 1991-04-23
4992306 Deposition of silicon dioxide and silicon oxynitride films using azidosilane sources Arthur Kenneth Hochberg, David L. O'Meara 1991-02-12
4992299 Deposition of silicon nitride films from azidosilane sources Arthur Kenneth Hochberg, David L. O'Meara 1991-02-12
4988640 Method of doping and implanting using arsine, antimony, and phosphine substitutes David A. Bohling, Gregory T. Muhr 1991-01-29
4904616 Method of depositing arsine, antimony and phosphine substitutes David A. Bohling, Gregory T. Muhr 1990-02-27
4747854 Selective chromatographic process using an ion-exchanged, dehydrated chabazite adsorbent Peter J. Maroulis, Charles G. Coe, Steven M. Kuznicki 1988-05-31
4744805 Selective adsorption process using an oxidized ion-exchanged dehydrated chabizite adsorbent Peter J. Maroulis, Charles G. Coe, Steven M. Kuznicki, Patrick J. Clark 1988-05-17
4732584 Process for the purification of permanent gases using chabazite adsorbents Charles G. Coe 1988-03-22
4713362 Selective zeolitic adsorbent and a method for activation thereof Peter J. Maroulis, Charles G. Coe, Steven M. Kuznicki, Patrick J. Clark 1987-12-15