AC

Andy C. Chang

Dow Global Technologies: 21 patents #128 of 4,534Top 3%
HS Halliburton Energy Services: 8 patents #821 of 4,711Top 20%
DT Dow Global Technology: 1 patents #2 of 42Top 5%
Overall (All Time): #124,289 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 25 most recent of 30 patents

Patent #TitleCo-InventorsDate
10967619 Polyolefin-based elastic film structures, laminates and methods thereof Jacquelyn A. Degroot, Kate R. Brown, Aleksandar Stoiljkovic, Gert J. Claasen, Barbara Bonavoglia +1 more 2021-04-06
10920303 Induced material segregation methods of manufacturing a polycrystalline diamond tool Zachary Ryan Murphree, Gagan Saini 2021-02-16
10711331 Polycrystalline diamond compact with gradient interfacial layer Gagan Saini, Qi Liang, Paul B. Lively, William Brian Atkins 2020-07-14
10598005 pH-sensitive chemicals for downhole fluid sensing and communication with the surface Aaron Cade Prince, Krishna M. Ravi, John Paul Bir Singh, Marcos Aurelio Jaramillo, Walmy Cuello Jimenez +3 more 2020-03-24
10344155 Heat-resistant polyolefin compositions suitable for films Charles F. Diehl, Ashish Batra, Suzanne M. Guerra, Jill M. Martin 2019-07-09
10107064 Changeable well seal tool William Mark Richards, Charles Timothy Smith 2018-10-23
9958572 Synthetic test beds for fracturing optimization and methods of manufacture and use thereof Syed Muhammad Farrukh Hamza, Matthew Lewis Lahman, Jesse Clay Hampton, Ruixiang Gu, Stephen Byrne Persac 2018-05-01
9677370 Deformable plug and seal well system William Mark Richards, Timothy Edward Harms, Charles Timothy Smith 2017-06-13
9677371 Fluid loss well treatment William Mark Richards 2017-06-13
9677372 Well system cementing plug Charles Timothy Smith, William Mark Richards 2017-06-13
8721827 Elastic films and laminates Stephen M. Hoenig, Yunwa W. Cheung, Daniel G. Moldovan, Wenbin Liang, Charles F. Diehl 2014-05-13
8273068 Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates Stephen M. Hoenig, Yunwa W. Cheung, Daniel G. Moldovan, Wenbin Liang, Charles F. Diehl 2012-09-25
8067319 Fibers made from copolymers of ethylene/α-olefins Benjamin C. Poon, Yunwa W. Cheung, Shih-Yaw Lai, Ashish Sen, Hongyu Chen +4 more 2011-11-29
8022144 Propylene-based elastomeric composition Thomas G. Pressly 2011-09-20
7947367 Fibers made from copolymers of ethylene/α-olefins Benjamin C. Poon, Yunwa W. Cheung, Shih-Yaw Lai, Ashish Sen, Hongyu Chen +4 more 2011-05-24
7910658 Compositions of ethylene/α-olefin multi-block interpolymer for elastic films and laminates Stephen M. Hoenig, Yunwa W. Cheung, Daniel G. Moldovan, Wenbin Liang, Charles F. Diehl 2011-03-22
7893161 Propylene-based elastomeric composition Thomas G. Pressly 2011-02-22
7893159 Blends of styrenic block copolymers and propylene-alpha olefin copolymers 2011-02-22
7847029 Elastomeric resin compositions with improved resistance to draw resonance Thomas I. Butler, Jozef Van Dun, Ronald J. Weeks, Jeffrey D. Weinhold, Rajen M. Patel +1 more 2010-12-07
7807593 Multi-layer, pre-stretched elastic articles Rajen M. Patel 2010-10-05
7803728 Fibers made from copolymers of ethylene/α-olefins Benjamin C. Poon, Yunwa W. Cheung, Shih-Yaw Lai, Ashish Sen, Hongyu Chen +4 more 2010-09-28
7737215 Compositions of ethylene/α-olefin multi-block interpolymer for elastic films and laminates Stephen M. Hoenig, Yunwa W. Cheung, Daniel G. Moldovan, Wenbin Liang, Charles F. Diehl 2010-06-15
7737061 Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates Ronald J. Weeks, Hong Peng, Antonios K. Doufas, Yunwa W. Cheung 2010-06-15
7732052 Compositions of ethylene/alpha-olefin multi-block interpolymer for elastic films and laminates Ronald J. Weeks, Hong Peng, Antonios K. Doufas, Yunwa W. Cheung 2010-06-08
7504347 Fibers made from copolymers of propylene/α-olefins Benjamin C. Poon, Yunwa W. Cheung, Shih-Yaw Lai, Ashish Sen, Hongyu Chen +4 more 2009-03-17