US3070552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamines
Assignee: Onyx Oil and Chemical Co
•
Filing: 1957-06-17
•
Granted: 1962-12-25
•
Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
- 👤 Emery I Valko
- 👤 Freiman Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:09
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/024; D; D06; D06M; D06M13/00; D06M13/322; D06M13/372; D06M15/00; D06M15/19; D06M15/37; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/607; D06P1/6076; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S260/18; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31786; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
THE PROCESS OF PREPARING SOLUBLE LINEAR POLYTERTIARY AMINES WHICH COMPRISES REACTION; (A) A COMPOUND HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
19 words
THE PROCESS OF PREPARING SOLUBLE LINEAR POLYTERTIARY AMINES WHICH COMPRISES REACTION; (A) A COMPOUND HAVING THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
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Cited
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Cited
US2560280A
Cited
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Cited
US2702797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |