US2841602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkynoxy acids
Assignee: Udylite Research Corp
•
Filing: 1955-10-04
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Granted: 1958-07-01
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
- 👤 Donald H Becking
- 👤 Thaddeus W Tomaszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:39
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/16; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/07; C07C309/09; C07C309/10; C07C59/00; C07C59/40; C07C59/58; C07C59/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN UNSATURATED ALIPHATIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKNOXY SULFONIC ACIDS HAVING 3 TO 14 CARBON ATOMS INCLUSIVE, ALKNOXY CARBOXYLIC ACIDS HAVING 5 TO 15 CARBON ATOMS AND THE SODIUM, POTASSIUM, NICKEL, COBALT, IRON, MAGNESIUM, AMMONIUM, MERCURY AND AMINE SALTS THEREOF, SAID ACIDS CONTAINING AN ALKANE GROUP HAVING FROM 1-4 CARBON ATOMS.
Claim 2
Dependent Claim
54 words
AN UNSATURATED ALIPHATIC ACID SELECTED FROM THE GROUP CONSISTING OF ALKNOXY SULFONIC ACIDS HAVING 3 TO 14 CARBON ATOMS INCLUSIVE, ALKNOXY CARBOXYLIC ACIDS HAVING 5 TO 15 CARBON ATOMS AND THE SODIUM, POTASSIUM, NICKEL, COBALT, IRON, MAGNESIUM, AMMONIUM, MERCURY AND AMINE SALTS THEREOF, SAID ACIDS CONTAINING AN ALKANE GROUP HAVING FROM 1-4 CARBON ATOMS.
References Cited (Backward Citations)
US2170380A
Cited
US2352461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |