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Abstract
Abstract THEREFROM WHICH COMPRISES CONTACTING SAID LIQUID MEDIA WITH A SEQUESTERING AGENT OF THE FORMULA: M-O-(CHX)A(CHY)B(CHZ)C-G WHERIN M IS SELECTED FROM THE GROUP CONSISTING OF -C(-A)(-B)-D , 2-(HO-)PHENYL ,AND 2-(HOOC-)PHENYL X=Y=-H,-COOH Z=--OH,-COOH A=B=O,1 C=O,1 WITH AT LEAST ONE OF A, B, AND C BEING 1; G IS SELECTED FROM THE GROUP CONSISTING OF -O-C(-A)(-B)-D , -C(-A)(-D)-Y , -O-(2-(HO-)PHENYL) , -O-(2-(HOOC-)PHENYL) AND-O-(CHX)A(CHY)B(CHZ)C-O-M A,B AND D AARE SELECTED FROM THE GROUP CONSISTING OF -CH2COOH,-CH2SO3H,-COOH,-H -SO2H,-PO2H2, -CHOHCOOH, 2-(HOOC-)PHENYL , 2-(HO-)PHENYL AND -(CHZ)C(CHY)B(CHX)A-O-M WITH NO MORE THAN TWO OF THE UNITS A, B AND D BEING -COOH,-H -SO3H, -PO3H2, -CHORCOOH, 2-(HOOC-)PHENYL , 2-(HO-)PHENYL AND NO MORE THAN ONE OF THE UNITS A, B AN D BEING -(CHZ)C(CHY)B(CHX)A-O-M.
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Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |