RC

Richard M. Crooker

EA Elf Atochem North America: 14 patents #4 of 167Top 3%
AC Atofina Chemicals: 4 patents #5 of 97Top 6%
AR Arkema: 2 patents #135 of 443Top 35%
AT Atofina: 1 patents #131 of 359Top 40%
PE Pennwalt: 1 patents #119 of 288Top 45%
📍 Fogelsville, PA: #5 of 70 inventorsTop 8%
🗺 Pennsylvania: #2,785 of 74,527 inventorsTop 4%
Overall (All Time): #184,936 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
9303900 Halogenated alkene heat transfer compositions with improved oil return Brett L. Van Horn, Philippe Bonnet, Benjamin Bin Chen, Maher Y. Elsheikh 2016-04-05
8454853 Halogenated alkene heat transfer composition with improved oil return Brett L. Van Horn, Philippe Bonnet, Benjamin Bin Chen, Maher Y. Elsheikh 2013-06-04
6624208 Blowing agent based on HFC-134a and cyclopentane for the expansion of polymers Arnaud Albouy, Gerard Guilpain 2003-09-23
6518324 Polymer foam containing nanoclay Jiri E. Kresta, Jinhuang Wu 2003-02-11
6358434 Blowing agent blends Jinhuang Wu, Douglas R. Dillon 2002-03-19
6235161 Inhibition of 141b decomposition Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright 2001-05-22
6225365 PVC foam Saeid Zerafati, Jinhuang Wu, Michael Q. Tran 2001-05-01
6159346 Inhibition of 141b decomposition Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright 2000-12-12
6059933 Inhibition of 141b decomposition Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright 2000-05-09
5958992 Blowing agent blends Jinhuang Wu, Douglas R. Dillon 1999-09-28
5567281 Inhibition of 141B decomposition Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright 1996-10-22
5531867 Inhibition of 141B decomposition Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright 1996-07-02
5246625 Stabilized 141B Maher Y. Elsheikh 1993-09-21
5246626 Stabilized 141b Maher Y. Elsheikh 1993-09-21
5221697 Stabilized 14lb Maher Y. Elsheikh 1993-06-22
5188749 R22/R124/R142b refrigerant blends 1993-02-23
5177270 Stabilized 141b Maher Y. Elsheikh 1993-01-05
5169996 Stabilized 141b Maher Y. Elsheikh, Robert B. Hager 1992-12-08
5169874 Stabilized 141b Maher Y. Elsheikh, John A. Murphy 1992-12-08
5169995 Inhibited 141b James P. Lavelle, Maher Y. Elsheikh 1992-12-08
5169997 Stabilized 1,1-dichloro-1-fluoroethane Maher Y. Elsheikh 1992-12-08
5135680 Stabilized 14 lb Maher Y. Elsheikh, John A. Murphy 1992-08-04
4636529 Polyurethane foams from isocyanate, polyester polyol and chlorodifluoromethane 1987-01-13