Patent US2758970A successfully refreshed from Google Patents.
US2758970A
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Derivatives of rosin amines
Assignee: Henkel Corp
•
Filing: 1953-06-10
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Granted: 1956-08-14
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Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Albert J Saukaitis
- 👤 George S Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:26
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/061; C23F; C23F11/00; C23F11/04; H; H01; H01H; H01H37/00; H01H37/02; H01H37/64; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
AS A NEW MATERIAL, A CHEMICAL COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
11 words
AS A NEW MATERIAL, A CHEMICAL COMPOUND REPRESENTED BY THE FORMULA
Claim 3
Independent Claim
26 words
THE METHOD OF CONTROLLING METAL CORROSION CAUSED BY AN ACIDIC MEDIUM WHICH CONSISTS IN ADDING TO THE MEDIUM A QUANTITY OF A COMPOUND HAVING THE FORMULA
Claim 4
Independent Claim
26 words
THE METHOD OF CONTROLLING METAL CORROSION CAUSED BY AN ACIDIC MEDIUM WHICH CONSISTS IN ADDING TO THE MEDIUM A QUANTITY OF A COMPOUND HAVING THE FORMULA
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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |