US3332983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esterification in the presence of the catalyst combination tin dibasic acid carboxylates and tetrahydrocarbyl titanates
Assignee: Gulf Research and Development Co
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Filing: 1963-04-18
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Granted: 1967-07-25
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Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter P Barie
- 👤 Norman W Franke
- 👤 Arthur C Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:47
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE PRODUCTION OF A MONOMERIC ESTER WHICH COMPRISES CONTACTING AN AROMATIC ORGANIC ACID REACTANT HAVING BETWEEN 1 AND 4 CARBOXYL GROUPS PER MOLECULE WITH A SATURATED UNSUBSTITUTED ALIPHATIC ALCOHOL REACTANT HAVING BETWEEN 4 AND 37 CARBON ATOMS PER MOLECULE, AND WHEREIN AT LEAST ONE OF THE TWO REACTANTS IN MONOFUNCTIONAL UNDER ESTERIFICATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING AT LEAST ONE QUADRIVALENT TITANIUMORGANIC COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE PRODUCTION OF A MONOMERIC ESTER WHICH COMPRISES CONTACTING AN AROMATIC ORGANIC ACID REACTANT HAVING BETWEEN 1 AND 4 CARBOXYL GROUPS PER MOLECULE WITH A SATURATED UNSUBSTITUTED ALIPHATIC ALCOHOL REACTANT HAVING BETWEEN 4 AND 37 CARBON ATOMS PER MOLECULE, AND WHEREIN AT LEAST ONE OF THE TWO REACTANTS IN MONOFUNCTIONAL UNDER ESTERIFICATION CONDITIONS IN THE PRESENCE OF A CATALYST COMPRISING AT LEAST ONE QUADRIVALENT TITANIUMORGANIC COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US3067178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |