US3113113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor compositions
Assignee: Armour and Co
•
Filing: 1958-11-07
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Granted: 1963-12-03
•
Expires: 1978-11-07
Abstract
No abstract record available.
Inventors
- 👤 Byron E Marsh
- 👤 Charles E Tippett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:07
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A COMPOSITION FOR INHIBITING CORROSION OF METALLIC SURFACES CONSISTING ESSENTIALLY OF ABOUT 25 TO 75% BY WEIGHT OF A SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF POLYALKOXYLATED MONO- AND DIAMINES HAVING THE FORMULAE:
Claim 2
Dependent Claim
33 words
A COMPOSITION FOR INHIBITING CORROSION OF METALLIC SURFACES CONSISTING ESSENTIALLY OF ABOUT 25 TO 75% BY WEIGHT OF A SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF POLYALKOXYLATED MONO- AND DIAMINES HAVING THE FORMULAE:
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |