US3296142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etching composition and method of etching
Assignee: Ball Corp
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Filing: 1964-04-06
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Granted: 1967-01-03
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Sherer Abraham Isidor
- 👤 Ruzicka John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:59
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN ADDITIVE FOR AN ETCHING COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 25% AND 40% BY WEIGHT OF A SULFATED CASTOR OIL, BETWEEN ABOUT 0.3% AND 2% BY WEIGHT OF AN ALKYL-BENZENE SULFONATE HAVING AN ALKYL GROUP CONTAINING BETWEEN ABOUT 10 AND 12 CARBON ATOMS, AND BETWEEN ABOUT 60% AND 72% BY WEIGHT OF A PETROLEUM SOLVENT.
Claim 2
Dependent Claim
56 words
AN ADDITIVE FOR AN ETCHING COMPOSITION CONSISTING ESSENTIALLY OF BETWEEN ABOUT 25% AND 40% BY WEIGHT OF A SULFATED CASTOR OIL, BETWEEN ABOUT 0.3% AND 2% BY WEIGHT OF AN ALKYL-BENZENE SULFONATE HAVING AN ALKYL GROUP CONTAINING BETWEEN ABOUT 10 AND 12 CARBON ATOMS, AND BETWEEN ABOUT 60% AND 72% BY WEIGHT OF A PETROLEUM SOLVENT.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |