Patent US1871166A successfully refreshed from Google Patents.
US3087966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkylcyclohexylamines
Assignee: Jefferson Chemical Co Inc
•
Filing: 1958-09-09
•
Granted: 1963-04-30
•
Expires: 1978-09-09
Abstract
No abstract record available.
Inventors
- 👤 Vernon A Currier
- 👤 Philip H Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD FOR PREPARING ALLKYLCYCLOHEXYLAMINES WHICH COMPRISES REACTING AN ALKYLPHENOL WITH HYDROGEN AT AN ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF A HYDROOGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF THE METALS AND OXIDES OF NICKEL, COPPER AND COBALT AND MIXTURES THEREOF; TO FORM AN ALKYLCYLCOPHEXANOL, AND AMINATING SAID ALKYLCYCLOHEXANOL WITH AMMONIA, IN THE PRESENCE OF HYDROGEN AND SAID HYDROGENATION CATALYST AT AN ELEVATED TEMPERATURE AND ABOVE ATMOSPHERIC PRESSURE UP TO ABOUT 400 ATMOSPHERES, SAID ALKYLPHENOL BEING REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
82 words
A METHOD FOR PREPARING ALLKYLCYCLOHEXYLAMINES WHICH COMPRISES REACTING AN ALKYLPHENOL WITH HYDROGEN AT AN ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF A HYDROOGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF THE METALS AND OXIDES OF NICKEL, COPPER AND COBALT AND MIXTURES THEREOF; TO FORM AN ALKYLCYLCOPHEXANOL, AND AMINATING SAID ALKYLCYCLOHEXANOL WITH AMMONIA, IN THE PRESENCE OF HYDROGEN AND SAID HYDROGENATION CATALYST AT AN ELEVATED TEMPERATURE AND ABOVE ATMOSPHERIC PRESSURE UP TO ABOUT 400 ATMOSPHERES, SAID ALKYLPHENOL BEING REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |