Patent US2425294A successfully refreshed from Google Patents.
Solvay Process Co
Solvay Pro
| Patent No. |
Title |
Status |
Filing Date |
Grant Date |
Claims |
Actions |
|
US2220059A
|
Process for reducing corrosion by ammoniacal solutions of i… |
Expired / Lapsed
|
1938-06-13 |
1940-11-05 |
0 |
Details
|
|
US2215498A
|
Process for controlling vapor phase hydrocarbon reactions |
Expired / Lapsed
|
1938-06-08 |
1940-09-24 |
0 |
Details
|
|
US2197707A
|
Catalyst and process for its production |
Expired / Lapsed
|
1929-12-09 |
1940-04-16 |
0 |
Details
|