Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919904 | Primary hindered aminoacids for promoted acid gas scrubbing process | Larry J. Shulik, W. S. Winston Ho, Warren A. Thaler, George E. Milliman | 1990-04-24 |
| 4895670 | Addition of severely-hindered aminoacids to severely-hindered amines for the absorption of H.sub.2 S | W. S. Winston Ho | 1990-01-23 |
| 4894178 | Absorbent composition containing severely-hindered amine mixture for the absorption of H.sub.2 S | W. S. Winston Ho, Eugene L. Stogryn | 1990-01-16 |
| 4892674 | Addition of severely-hindered amine salts and/or aminoacids to non-hindered amine solutions for the absorption of H.sub.2 S | W. S. Winston Ho | 1990-01-09 |
| 4762934 | Diaminoether compositions | Eugene L. Stogryn | 1988-08-09 |
| 4759866 | Primary hindered aminoacids for promoted acid gas scrubbing process | Larry J. Shulik, W. S. Winston Ho, Warren A. Thaler, George E. Milliman | 1988-07-26 |
| 4618481 | Absorbent composition containing a severely hindered amino compound and an amine salt and process for the absorption of H.sub.2 S using the same | Fred J. Heinzelmann, Noah S. Rothblatt, James P. Glass, Jr., Geoffrey R. Say, George R. Chludzinski +1 more | 1986-10-21 |
| 4581209 | N-aminoalkyl alkylpiperazine promoted acid gas scrubbing process | Alexis A. Oswald, David W. Savage, Warren A. Thaler | 1986-04-08 |
| 4525294 | Amino acid mixtures, their alkali metal salts and process for preparing same | Warren A. Thaler | 1985-06-25 |
| 4508692 | Process for the selective removal of hydrogen sulfide from gaseous mixtures with strongly basic tertiary amino compounds | David W. Savage | 1985-04-02 |
| 4487967 | Process for preparing secondary aminoether alcohols | Eugene L. Stogryn, W. S. Winston Ho, Angelo A. Montagna | 1984-12-11 |
| 4483833 | Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 with heterocyclic tertiary aminoalkanols | Eugene L. Stogryn, David W. Savage | 1984-11-20 |
| 4405585 | Process for the selective removal of hydrogen sulfide from gaseous mixtures with severely sterically hindered secondary aminoether alcohols | David W. Savage, Eugene L. Stogryn | 1983-09-20 |
| 4405811 | Severely sterically hindered tertiary amino compounds | Eugene L. Stogryn | 1983-09-20 |
| 4405577 | Non-sterically hindered-sterically hindered amine co-promoted acid gas scrubbing solution and process for using same | David W. Savage | 1983-09-20 |
| 4405578 | Co-promoted acid gas scrubbing solution and process for using same | Warren A. Thaler | 1983-09-20 |
| 4405579 | Sterically hindered amino acids and tertiary amino acids as promoters in acid gas scrubbing processes | Warren A. Thaler | 1983-09-20 |
| 4405580 | Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 with tertiary amino azabicyclic alcohols | Eugene L. Stogryn, David W. Savage | 1983-09-20 |
| 4405581 | Process for the selective removal of hydrogen sulfide from gaseous mixtures with severely sterically hindered secondary amino compounds | David W. Savage, Eugene L. Stogryn | 1983-09-20 |
| 4405582 | Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 using diaminoether solutions | Eugene L. Stogryn, David W. Savage | 1983-09-20 |
| 4405583 | Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 using di-severely sterically hindered secondary aminoethers | Eugene L. Stogryn, David W. Savage | 1983-09-20 |
| 4405586 | N-Secondary butyl glycine promoted acid gas scrubbing process | Warren A. Thaler | 1983-09-20 |
| 4376102 | Process for removing acid gases using a basic salt activated with a diaminoalcohol | Warren A. Thaler, Chang-Jin Kim | 1983-03-08 |
| 4376101 | Process for removing acid gases using a basic salt activated with a non-sterically hindered diamine | Chang-Jin Kim, Michael T. Melchior, David W. Savage | 1983-03-08 |
| 4343716 | 1-Secondary or 1-tertiary alkyl or cycloalkyl-hexahydro-2-pyrimidinones and 1-secondary or 1-tertiary alkyl or 1-cycloalkyl-2-imidazolidinones and their use as antifoaming agents | Michael T. Melchior, George E. Milliman | 1982-08-10 |