US3287410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing aliphatic amines
Assignee: Millmaster Onyx Corp
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Filing: 1963-04-22
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Granted: 1966-11-22
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Zdzislaw W Dudzinski
- 👤 Reginald L Wakeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:50
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/02; C07C215/04; C07C215/06; C07C215/08; C07C209/00; C07C209/60; C07C211/00; C07C211/01; C07C211/02; C07C211/03; C07C211/07; C07C211/08; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF MAKING AMINES WHICH COMPRISES THE STEPS OF SULFATING AN ALPHA OLEFIN AND NEUTRALIZING THE SULFATED OLEFIN WITH A BASE SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY AMINES AND SECONDARY AMINES, AND THEN REACTING THE RESULTING PRODUCT WITH AN EXCESS OF THE SELECTED BASE UNDER HEAT AND PRESSURE TO PRODUCE AN AMINE HAVING N DIRECTLY LINKED TO THE PENULTIMATE CARBON ATOM OF THE STARTING HYDROCARBON.
Claim 2
Independent Claim
68 words
THE METHOD OF MAKING AMINES WHICH COMPRISES THE STEPS OF SULFATING AN ALPHA OLEFIN AND NEUTRALIZING THE SULFATED OLEFIN WITH A BASE SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY AMINES AND SECONDARY AMINES, AND THEN REACTING THE RESULTING PRODUCT WITH AN EXCESS OF THE SELECTED BASE UNDER HEAT AND PRESSURE TO PRODUCE AN AMINE HAVING N DIRECTLY LINKED TO THE PENULTIMATE CARBON ATOM OF THE STARTING HYDROCARBON.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |