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 1–25 of 42 patents

Patent #TitleCo-InventorsDate
7919409 Materials for adhesion enhancement of copper film on diffusion barriers Hansong Cheng, Xinjian Lei, Daniel P. Spence, John Anthony Thomas Norman, Bo Han +2 more 2011-04-05
7662959 Quaternary trifluoromethylcyclohexane derivatives for liquid crystals Gauri Sankar Lal, Michael Ulman, Wade Hampton Bailey, III, William Franklin Burgoyne 2010-02-16
7119032 Method to protect internal components of semiconductor processing equipment using layered superlattice materials Bing Ji, Stephen Andrew Motika, Dingjun Wu, Eugene Joseph Karwacki, Jr. 2006-10-10
7078358 Low VOC cleanroom cleaning wipe John Anthony Marsella, Robert Edward Stevens 2006-07-18
6913029 Multiple contents container assembly for ultrapure solvent purging Robert Sam Zorich, George Oleg Voloshin 2005-07-05
6869876 Process for atomic layer deposition of metal films John Anthony Thomas Norman, Melanie Boze 2005-03-22
6840252 Multiple contents container assembly for ultrapure solvent purging Robert Sam Zorich, George Oleg Voloshin 2005-01-11
6837251 Multiple contents container assembly for ultrapure solvent purging Robert Sam Zorich, George Oleg Voloshin 2005-01-04
6818783 Volatile precursors for deposition of metals and metal-containing films John Anthony Thomas Norman, Morteza Farnia, Melanie Boze 2004-11-16
6770254 Purification of group IVb metal halides Heather Regina Bowen 2004-08-03
6534666 Use of water and acidic water to purify liquid MOCVD precursors Robert Sam Zorich, James Richard Thurmond 2003-03-18
6526824 High purity chemical container with external level sensor and liquid sump Geoffrey L. Chase, John Eric Baker, Lee Senecal, Robert Sam Zorich 2003-03-04
6503561 Liquid precursor mixtures for deposition of multicomponent metal containing materials Yoshihide Senzaki, John Anthony Thomas Norman, Arthur Kenneth Hochberg 2003-01-07
6500499 Deposition and annealing of multicomponent ZrSnTi and HfSnTi oxide thin films using solventless liquid mixture of precursors Yoshihide Senzaki, Arthur Kenneth Hochberg, John Anthony Thomas Norman, Glenn B. Alers, Robert McLemore Fleming 2002-12-31
6238734 Liquid precursor mixtures for deposition of multicomponent metal containing materials Yoshihide Senzaki, John Anthony Thomas Norman 2001-05-29
6096913 Production of metal-ligand complexes John Anthony Thomas Norman, Yoshihide Senzaki 2000-08-01
5976991 Deposition of silicon dioxide and silicon oxynitride using bis(tertiarybutylamino) silane Ravi Laxman, Arthur Kenneth Hochberg 1999-11-02
5874368 Silicon nitride from bis(tertiarybutylamino)silane Ravi Laxman, Arthur Kenneth Hochberg, Herman Gene Hockenhull, Felicia Diane Kaminsky 1999-02-23
RE35614 Process for improved quality of CVD copper films John Anthony Thomas Norman, Arthur Kenneth Hochberg 1997-09-23
5626775 Plasma etch with trifluoroacetic acid and derivatives Raymond Nicholas Vrtis, Arthur Kenneth Hochberg, Robert G. Bryant, John Giles Langan 1997-05-06
5492736 Fluorine doped silicon oxide process Ravi Laxman, Arthur Kenneth Hochberg, Raymond Nicholas Vrtis 1996-02-20
5433975 Deposition of tungsten films from mixtures of tungsten hexafluoride organohydrosilanes and hydrogen Diwakar Garg, Andre Lagendijk, Arthur Kenneth Hochberg, Stephen M. Fine 1995-07-18
5322712 Process for improved quality of CVD copper films John Anthony Thomas Norman, Arthur Kenneth Hochberg 1994-06-21
5298075 Furnace tube cleaning process Andre Lagendijk, Arthur Kenneth Hochberg 1994-03-29
5288662 Low ozone depleting organic chlorides for use during silicon oxidation and furnace tube cleaning Andre Lagendijk, Arthur Kenneth Hochberg 1994-02-22