| 5112496 |
Methods for inhibition of scale in high brine environments |
Balram Dhawan, John L. Przybylinski |
1992-05-12 |
$1,227,000 |
| 4981609 |
Compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1991-01-01 |
|
| 4931189 |
Methods for inhibition of scale in high brine environments |
Balram Dhawan, John L. Przybylinski |
1990-06-05 |
$1,798,000 |
| 4857205 |
Method for inhibition of scale formation |
Balram Dhawan, John L. Przybylinski |
1989-08-15 |
$1,490,000 |
| 4843176 |
Compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1989-06-27 |
$1,574,000 |
| 4751051 |
.alpha.-aminoalkylsulfur compositions |
Neil E. S. Thompson, Bernardus A. O. Alink |
1988-06-14 |
$2,509,000 |
| 4684507 |
Process of corrosion inhibition using compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1987-08-04 |
$2,531,000 |
| 4671815 |
Water soluble biocides |
Thomas J. Bellos |
1987-06-09 |
$2,463,000 |
| 4633019 |
.alpha.-aminoalkylsulfur compositions |
Neil E. S. Thompson, Bernardus A. O. Alink |
1986-12-30 |
$1,826,000 |
| 4622404 |
Imidazoline compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1986-11-11 |
$1,809,000 |
| 4616085 |
Thioethers of imidazolines |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1986-10-07 |
$1,844,000 |
| 4579956 |
Amino-phosphonates |
— |
1986-04-01 |
$1,919,000 |
| 4539404 |
Pyrimidines containing sulfur and amino groups as corrosion inhibitors |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1985-09-03 |
$699,000 |
| 4450137 |
Processes for inhibiting corrosion using compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1984-05-22 |
$1,013,000 |
| 4450138 |
Processes for inhibiting corrosion using compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1984-05-22 |
$1,013,000 |
| 4443609 |
Tetrahydrothiazole phosphonic acids or esters thereof |
Bernardus A. Oude Alink |
1984-04-17 |
$1,789,000 |
| 4442286 |
Preparation of amines by the reduction of imines with phosphorous acid |
— |
1984-04-10 |
$1,760,000 |
| 4420399 |
Quaternary aminomethyl phosphonates as scale inhibitors |
— |
1983-12-13 |
$1,954,000 |
| 4409151 |
N,N-Dimethylene phosphonic acids of alkylene diamines |
William S. Paley |
1983-10-11 |
$2,026,000 |
| 4393026 |
Compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1983-07-12 |
$2,470,000 |
| 4332967 |
Compounds containing sulfur and amino groups |
Neil E. S. Thompson, Bernardus A. Oude Alink, Benjamin T. Outlaw |
1982-06-01 |
$795,000 |
| 4330487 |
N,N-Dimethylene phosponic acids of alkylene diamines |
William S. Paley |
1982-05-18 |
$2,536,000 |
| 4315087 |
Quaternary polyaminoamides |
Benjamin T. Outlaw |
1982-02-09 |
$2,661,000 |
| 4299982 |
Quaternaries of hydroxyalkylaminoalkylamides |
Benjamin T. Outlaw |
1981-11-10 |
$2,529,000 |
| 4270001 |
Quaternaries of hydroxyalkylaminoalkylamides |
Benjamin T. Outlaw |
1981-05-26 |
$1,364,000 |