US3035084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction rates of methallyl chloride with
Assignee: —
•
Filing: 1960-10-04
•
Granted: 1962-05-15
•
Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/10; C07C67/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF PRODUCING DIMETHALYL PHTHALATES WHICH COMPRISES REACTING ONE MOLAR EQUIVALENT OF THE ALKALI METAL OF AN UNSUBSTITUTED PHATHALIC ACID WITH TWO MOLAR EQUIVALENTS OF METHALLYL CHLOROIDE IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALLYTRIETHYLAMMONIUM HALIDE, METHALLYLTRIETHYLAMMONIUM HALIDE AND BENZYLTRIETHYLAMMONIUM HALIDE, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, AT A TEMPERATURE AND TIME TO CONVERT SAID PHTHALIC ACID SALT AND METHYALLYL CHLORIDE INTO THE CORRESPONDING DIMETHALLYL PHTHALATE, AND SEPARATING THE DIMETHYALLY PHTHALATES THUS PRODUCED.
Claim 2
Independent Claim
77 words
THE METHOD OF PRODUCING DIMETHALYL PHTHALATES WHICH COMPRISES REACTING ONE MOLAR EQUIVALENT OF THE ALKALI METAL OF AN UNSUBSTITUTED PHATHALIC ACID WITH TWO MOLAR EQUIVALENTS OF METHALLYL CHLOROIDE IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALLYTRIETHYLAMMONIUM HALIDE, METHALLYLTRIETHYLAMMONIUM HALIDE AND BENZYLTRIETHYLAMMONIUM HALIDE, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, AT A TEMPERATURE AND TIME TO CONVERT SAID PHTHALIC ACID SALT AND METHYALLYL CHLORIDE INTO THE CORRESPONDING DIMETHALLYL PHTHALATE, AND SEPARATING THE DIMETHYALLY PHTHALATES THUS PRODUCED.
References Cited (Backward Citations)
CA544032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |