US2850418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for use in preparing metal for a deforming operation and method of deforming
Assignee: Henkel Corp
•
Filing: 1953-04-28
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Granted: 1958-09-02
•
Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 George F Otto
- 👤 Ferdinand P Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:42
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METAL COATING BATH CONSISTING ESSENTIALLY OF AN AQUEOUS ACID PHOSPHATE SOLUTION CAPABLE OF PRODUCING A CRYSTALLINE PHOSPHATE COATING ON THE SURFACE OF THE METAL, SAID BATH HAVING EMULSIFIED THEREIN, AS AN ADDITION AGENT, FROM 0.10 TO 5% (WEIGHT/VOLUME ON THE CONVENTIONAL GRAMS/100 CC. BASIS) OF A SATURATED STRAIGHTCHAIN FATTY ACID HAVING AT LEAST 12 CARBON ATOMS.
Claim 2
Dependent Claim
57 words
A METAL COATING BATH CONSISTING ESSENTIALLY OF AN AQUEOUS ACID PHOSPHATE SOLUTION CAPABLE OF PRODUCING A CRYSTALLINE PHOSPHATE COATING ON THE SURFACE OF THE METAL, SAID BATH HAVING EMULSIFIED THEREIN, AS AN ADDITION AGENT, FROM 0.10 TO 5% (WEIGHT/VOLUME ON THE CONVENTIONAL GRAMS/100 CC. BASIS) OF A SATURATED STRAIGHTCHAIN FATTY ACID HAVING AT LEAST 12 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |