Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890228 | Quaternary ammonium solvated tetrapolymers and methods of removing CR(III) from solution using the tetrapolymer | Shaikh Asrof Ali, Tawfik Abdo Saleh | 2018-02-13 |
| 9856334 | Cyclopolymeric zwitterion-dianionic resin and synthesis and uses thereof | Tawfik Abdo Saleh, Shaikh Asrof Ali | 2018-01-02 |
| 9790296 | Cross-linked diallyl quaternary ammonium salt tetrapolymers and methods thereof | Shaikh Asrof Ali, Tawfik Abdo Saleh | 2017-10-17 |
| 9617388 | Process for making a polyzwitterion or polyzwitterionic acid | Shaikh Asrof Ali | 2017-04-11 |
| 9580521 | Process for making a poly(zwitterion/dianion) | Shaikh Asrof Ali | 2017-02-28 |
| 9481590 | Poly(zwitterion-alt-sulfur dioxide) copolymer | Shaikh Asrof Ali | 2016-11-01 |
| 9481765 | Synthesis of a diallylammonium/SO2 copolymer bearing phospho- and sulfopropyl pendents | Shaikh Asrof Ali | 2016-11-01 |
| 9359458 | Polyzwitterionic acid antiscalant compound | Shaikh Asrof Ali | 2016-06-07 |
| 9309336 | Synthesis and antiscalant behavior of a novel polyzwitterionic acid | Shaikh Asrof Ali | 2016-04-12 |
| 9120094 | Polymerization of bis[3-(diethoxyphosphoryl)propyl]diallylammonium chloride | Shaikh Asrof Ali, Hasan Ali Al-Muallem | 2015-09-01 |
| 8937104 | Cross-linked polyzwitterion/anion for the removal of strontium from aqueous solutions | Shaikh Asrof Ali | 2015-01-20 |