Patent US2860160A successfully refreshed from Google Patents.
US2860160A
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Preparation of aminoalkyl acids and derivatives thereof
Assignee: GAF Chemicals Corp
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Filing: 1956-11-19
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Granted: 1958-11-11
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert L Sundberg
- 👤 Max E Chiddix
- 👤 Earl P Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:59
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
PROCESS FOR THE PREPARATION OF COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
PROCESS FOR THE PREPARATION OF COMPOUNDS HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
6 words
A COMPOUND OF THE GENERAL FORMULA
Claim 4
Dependent Claim
6 words
A COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |