|
US5007939A
|
Article made of lactic acid polymer capable of being employ… |
Expired / Lapsed
|
1988-11-07 |
1991-04-16 |
10 |
Details
|
|
US4317793A
|
Process for the production of oriented hollow bodies |
Expired / Lapsed
|
1980-08-14 |
1982-03-02 |
12 |
Details
|
|
US3002914A
|
Preparation of electrodes for electrolysis of aqueous solut… |
Expired / Lapsed
|
1957-05-14 |
1961-10-03 |
2 |
Details
|
|
US2584824A
|
Electrolytic preparation of alkali metal chlorites |
Expired / Lapsed
|
1948-02-18 |
1952-02-05 |
2 |
Details
|