Patent US3246015A successfully refreshed from Google Patents.
US3246015A
Expired / Lapsed
US
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Tertiary amine salts of 3, 6-endoxohydro-orthophthalic acids
Assignee: Armour and Co
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Filing: 1964-06-19
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Granted: 1966-04-12
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Harold L Lindaberry
- 👤 Walter W Abramitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:09
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A TERTIARY AMINE SALT OF A 3,6-ENDOXOHYDRO-ORTHOPHTHALIC ACID SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND SUBSTITUTED DIHYDRO-, TETRAHYDRO-, AND HEXAHYDRO-ORTHOPHTHALIC ACIDS WHEREIN THE SUBSTITUENT OF SAID SUBSTITUTED ACIDS ARE SELECTED FROM THE GROUP CONSISTING OF THE HALOGEN, LOWER ALKYL, LOWER ALKOXY, PHENYL, PHENYLOXY, NITRO, CYANO, AND TRIFLUOROMETHYL WHEREIN SAID AMINE PORTION OF SAID SALT IS A CATION OF AN AMINE OF STRUCTURE
Claim 2
Dependent Claim
63 words
A TERTIARY AMINE SALT OF A 3,6-ENDOXOHYDRO-ORTHOPHTHALIC ACID SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND SUBSTITUTED DIHYDRO-, TETRAHYDRO-, AND HEXAHYDRO-ORTHOPHTHALIC ACIDS WHEREIN THE SUBSTITUENT OF SAID SUBSTITUTED ACIDS ARE SELECTED FROM THE GROUP CONSISTING OF THE HALOGEN, LOWER ALKYL, LOWER ALKOXY, PHENYL, PHENYLOXY, NITRO, CYANO, AND TRIFLUOROMETHYL WHEREIN SAID AMINE PORTION OF SAID SALT IS A CATION OF AN AMINE OF STRUCTURE
References Cited (Backward Citations)
US2576080A
Cited
US2576083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |