Device for use in the study of chemical and biological reactions and method of making same
Abstract
Abstract DEVICES FOR THE STUDY OF CHEMICAL OR BIOLOGICAL REACTIONS ARE PROVIDED BY FORMING A SANDWHICH OF TWO PLASTIC SHEETS HAVING AT LEAST ONE SHEET OF POROUS WATER-ABSORBENT MATERIAL SUCH AS FILTER PAPER INTERPOSED THEREBETWEEN. UPON COMPRESSION OF THE SANDWICH, AS BETWEEN SUITABLY DESIGNED HEATER ELECTRODES, ONE OR MORE CHAMBERS ARE FORMED, EACH CHAMBER HAVING A PORTION OF THE WATERABSORBENT SHEET POSITIONED THEREIN AND HAVING SUITABLE APERTURES PROVIDED THROUGH WHICH APERTURES CHEMICALS ENZYMES, AND CELL SUSPENSIONS MAY BE INTRODUCED FOR TESTING OF THE METABOLIC UTILIZATION OF SUCH CHEMICALS BY SUCH ENZYMES OR CELLS AND OBSERVATION OF CONCIMITANT COLOR REACTION WITHIN SAID CHAMBERS.
Inventors
- 👤 Jean Buissiere
- 👤 Louis Colobert
- 👤 Paul A F Montagnon
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |