JS

John A. Sofranko

AR Atlantic Richfield: 45 patents #1 of 1,061Top 1%
EC Ecocatalytic: 14 patents #1 of 6Top 20%
AT Arco Chemical Technology: 13 patents #26 of 285Top 10%
BI Bio2Electric: 5 patents #1 of 3Top 35%
NU North Carolina State University: 1 patents #675 of 1,607Top 45%
📍 Weston, MA: #1 of 466 inventorsTop 1%
🗺 Massachusetts: #450 of 88,656 inventorsTop 1%
Overall (All Time): #23,972 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 26–50 of 77 patents

Patent #TitleCo-InventorsDate
5126480 Isocyanate preparation Anne Mae Gaffney 1992-06-30
5107001 Propylene oxide production Morris Gelb, David W. Leyshon, C. Andrew Jones 1992-04-21
5107042 Preparation of olefins using selectively protonated zeolite Anne Mae Gaffney 1992-04-21
5091163 Partially protonated sodium-ZSM-5 method of making Anne Mae Gaffney 1992-02-25
5026936 Enhanced production of propylene from higher hydrocarbons David W. Leyshon, C. Andrew Jones 1991-06-25
5026935 Enhanced production of ethylene from higher hydrocarbons David W. Leyshon, C. Andrew Jones 1991-06-25
4988830 Propylene oxide production Morris Gelb, David W. Leyshon, C. Andrew Jones 1991-01-29
4912081 Boron-promoted reducible metal oxides Robert G. Gastinger, C. Andrew Jones 1990-03-27
4879427 Methane conversion 1989-11-07
4861936 Boron-promoted reducible metal oxides and methods of their use Robert G. Gastinger, C. Andrew Jones 1989-08-29
4795849 Methane conversion process Ann Gaffney, C. Andrew Jones 1989-01-03
4795842 Methane conversion process Anne Mae Gaffney, C. Andrew Jones 1989-01-03
4788376 Process for producing higher hydrocarbons from lower olefins Harry Mazurek 1988-11-29
4777313 Boron-promoted reducible metal oxides and methods of their use Robert G. Gastinger, C. Andrew Jones 1988-10-11
4774380 Alkali promoted manganese oxide compositions containing zirconium C. Andrew Jones 1988-09-27
4769508 Alkali promoted manganese oxide compositions containing titanium Robert G. Gastinger, Howard Paul Withers, Jr. 1988-09-06
4737595 Hydrocarbon dehydrogenation C. Andrew Jones, John J. Leonard 1988-04-12
4728636 Hydroxylated magnesia support 1988-03-01
4670619 Methane conversion process Howard Paul Withers, Jr., C. Andrew Jones, John J. Leonard, Anne Mae Gaffney 1987-06-02
4665260 Methane conversion C. Andrew Jones, John J. Leonard 1987-05-12
4654459 Alkali promoted manganese oxide compositions containing barium carbonate 1987-03-31
4650781 Alkali promoted manganese oxide compositions containing zirconium C. Andrew Jones 1987-03-17
4634802 Hydrocarbon dehydrogenation C. Andrew Jones 1987-01-06
4634800 Methane conversion process Howard Paul Withers, Jr., C. Andrew Jones, John J. Leonard 1987-01-06
4629718 Alkali promoted manganese oxide compositions containing silica and/or alkaline earth oxides C. Andrew Jones, John J. Leonard, Howard Paul Withers, Jr., E. William Breder, Jr., Marvin F. L. Johnson +1 more 1986-12-16