Patent US2103552A successfully refreshed from Google Patents.
Patent US3285960A successfully refreshed from Google Patents.
US3285960A
Expired / Lapsed
US
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4, 4-diphenylcyclohexylamine derivatives
Assignee: Bayer Corp
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Filing: 1964-01-14
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Granted: 1966-11-15
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Expires: 1984-01-14
Abstract
No abstract record available.
Inventors
- 👤 Halverstadt Isaac Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/06; C07D295/073; C07C; C07C45/00; C07C45/51; C07C45/52; C07C45/61; C07C45/62; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07C47/00; C07C47/20; C07C47/228; C07C47/23; C07C49/00; C07C49/587; C07C49/657; C07C49/683; C07C49/687; C07C49/697; C07C49/753; C07D295/02; C07D295/027; C07D295/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
CHEMICAL COMPOUDNS IN WHICH TWO PHENYL GROUPS ARE ATTACHED TO THE 4-POSITION CARBON ATOM OF THE CYCLOHEXYL RING OF CYCLOHEXYLAMINE AND AT LEAST ONE OXY OXYGEN ATOM-BEARING LOWER-ALKYL GROUP OF UP TO EIGHT CARBON AATOMS IS ATTACHED TO THE AMINO NITROGEN ATOM, PROVIDING AN AT LEAST TWO CARBON ATOM BRIDGE BETWEEN THE NITROGEN ATOM AND THE OXYGEN ATOM, AND WHEREIN THE OXY OXYGEN ATOM IS CONTAINED IN A MEMBER OF THE GROUP CONSISTING OF HYDROXY, LOWER-ALKOXY AND LOWER-ACYLOXY OF 1 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
84 words
CHEMICAL COMPOUDNS IN WHICH TWO PHENYL GROUPS ARE ATTACHED TO THE 4-POSITION CARBON ATOM OF THE CYCLOHEXYL RING OF CYCLOHEXYLAMINE AND AT LEAST ONE OXY OXYGEN ATOM-BEARING LOWER-ALKYL GROUP OF UP TO EIGHT CARBON AATOMS IS ATTACHED TO THE AMINO NITROGEN ATOM, PROVIDING AN AT LEAST TWO CARBON ATOM BRIDGE BETWEEN THE NITROGEN ATOM AND THE OXYGEN ATOM, AND WHEREIN THE OXY OXYGEN ATOM IS CONTAINED IN A MEMBER OF THE GROUP CONSISTING OF HYDROXY, LOWER-ALKOXY AND LOWER-ACYLOXY OF 1 TO 12 CARBON ATOMS.
References Cited (Backward Citations)
US2490834A
Cited
US2764519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |