HK

Howard P. Klein

HP Huntsman Petrochemical: 30 patents #2 of 174Top 2%
Chevron: 15 patents #293 of 4,788Top 7%
AT Arco Chemical Technology: 1 patents #171 of 285Top 60%
HI Huntsman International: 1 patents #149 of 400Top 40%
🗺 Texas: #1,896 of 125,132 inventorsTop 2%
Overall (All Time): #60,404 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
11566107 Etheramine mixture containing polyether diamines and method of making and using the same Terry L. Renken, Cheng-Kuang Li 2023-01-31
11472739 Admixture composition to improve strength of cement cured products Antonius Wibowo, Robert A. Grigsby, Jr. 2022-10-18
11292873 Etheramines prepared from a mixture of two or more multifunctional alcohol initiators, and their use as curatives or intermediates for polymer synthesis Hui Zhou, David C. Lewis, Terry L. Renken, Leah Patterson 2022-04-05
11198756 Blend for curing epoxy resin composistions Hui Zhou, David C. Lewis, Robert A. Grigsby, Jr., Feixia Chen, Katty Darragas 2021-12-14
11015015 Co-preparation of polyetheramines and alklyene amines Hui Zhou, David C. Lewis 2021-05-25
10717875 Comb-like polyetheralkanolamines in inks and coatings Duy T. Nguyen 2020-07-21
10513578 Etheramines and their use as curatives or intermediates for polymer synthesis Hui Zhou, David C. Lewis, Terry L. Renken, Leah Patterson 2019-12-24
10301489 Comb polyurethane dispersants Frank Bertens, Petra Emma Vanderstraeten, Jolande Celis 2019-05-28
9988483 Pyrrolidine-based catalysts for use in polyurethane materials Matthew W. Forkner, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr., Ernest L. Rister, Jr., Frank Rodriguez 2018-06-05
9822215 Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis Hui Zhou, David C. Lewis, Terry L. Renken 2017-11-21
9567482 Comb-like polyetheralkanolamines in inks and coatings Duy T. Nguyen 2017-02-14
9238766 Comb-like polyetheralkanolamines in inks and coatings Duy T. Nguyen 2016-01-19
9067865 Etheramines and their use as intermediates for polymer synthesis Terry L. Renken, Martin Renner, Bruce L. Burton, Katty Darragas 2015-06-30
9054313 Etheramines containing flexible and rigid segments and their use as intermediates for polymer synthesis Terry L. Renken, Martin Renner, Bruce L. Burton, Katty Darragas 2015-06-09
8957177 Compositions comprising an amide moiety containing polyol Steve Diamanti 2015-02-17
8858828 Use of 2-(3-aminopropoxy)ethan-1-ol as an absorbent to remove acidic gases Robert A. Grigsby, Jr., Jingjun Zhou, Patrick E. Holub, Attila Gaspar, Zsolt Gaspar 2014-10-14
7816481 Polyether polyamine agents and mixtures thereof Bruce L. Burton, Matthew W. Forkner, David C. Alexander, Terry L. Renken, Chris E. Godinich 2010-10-19
7550550 Polyether polyamine agents and mixtures therefor Bruce L. Burton, Matthew W. Forkner, David C. Alexander, Terry L. Renken, Chris E. Godinich 2009-06-23
7078475 Synergistic amine chain-extenders in polyurea spray elastomers Jerry Reddinger, Kenneth Hillman 2006-07-18
7012043 Drilling fluids Chris E. Godinich 2006-03-14
6855795 Catalyst removal process John H. Clements, Kenneth Hillman 2005-02-15
6710203 Preparation of hydroxyalkylcarbamates from six-membered cyclic carbonates John H. Clements, Edward T. Marquis, James R. Machac, Jr. 2004-03-23
6627761 Multifunctional carbonates and derivatives David C. Alexander, Susan A. Woodrum, James R. Machac, Jr. 2003-09-30
6608012 Process and formulations to remove paint and primer coatings from thermoplastic polyolefin substrates James R. Machac, Jr., Susan A. Woodrum, Edward T. Marquis 2003-08-19
6596677 Propylene carbonate based cleaning compositions James R. Machac, Jr., Susan A. Woodrum, Edward T. Marquis 2003-07-22