US3293312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized chlorinated hydrocarbon compositions
Assignee: Solvay SA
•
Filing: 1964-02-11
•
Granted: 1966-12-20
•
Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Ryckaert Andre
- 👤 Domen Lucie Jeanne Henriette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:19
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02861; C23G5/02864; C23G5/0287; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A CHLORINATED HYDROCARBON CONTAINING, FOR THE STABILIZATION OF THE CHLORINATED HYDROCARBON AGAINST OXIDATION, A SYNERGISTIC MIXTURE COMPRISING AT LEAST TWO DIFFERENT PHENOLIC COMPOUND EACH IN A CONCENTRATION OF 0.002 TO 0.5 GRAM PER LITER OF CHLORINATED HYDROCARBON, A FIRST OF SAID PHENOLIC COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL, P-CRESOL, PYROCATECHOL, P-METHYLCATECHOL AND P-TERTIARY-BUTYLCATECHOL AND A SECOND OF SAID PHENOLIC COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF PYROCATECHOL, P-METHYLCATECHOL AND P-TERTIARYBUTYLCATECHOL.
Claim 2
Dependent Claim
74 words
A CHLORINATED HYDROCARBON CONTAINING, FOR THE STABILIZATION OF THE CHLORINATED HYDROCARBON AGAINST OXIDATION, A SYNERGISTIC MIXTURE COMPRISING AT LEAST TWO DIFFERENT PHENOLIC COMPOUND EACH IN A CONCENTRATION OF 0.002 TO 0.5 GRAM PER LITER OF CHLORINATED HYDROCARBON, A FIRST OF SAID PHENOLIC COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF PHENOL, P-CRESOL, PYROCATECHOL, P-METHYLCATECHOL AND P-TERTIARY-BUTYLCATECHOL AND A SECOND OF SAID PHENOLIC COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF PYROCATECHOL, P-METHYLCATECHOL AND P-TERTIARYBUTYLCATECHOL.
References Cited (Backward Citations)
AT209884B
Cited
US2958712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |