US3267038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting the corrosion of coppercontaining metals
Assignee: Union Oil Company of California
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Filing: 1962-07-13
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Granted: 1966-08-16
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Expires: 1982-07-13
Abstract
No abstract record available.
Inventors
- 👤 Louis A Joo
- 👤 Robert C Kimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:03
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/124; C23F11/126; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/20; C11D3/2075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKARYL SODIUM SULFONATE DETERGENT, ALKALI-METAL POLYPHOSPHATE SALTS SELECTED FROM THE GROUP CONSISTING OF SODIUM PYROPHOSPHATE, SODIUM TRIPOLYPHOSPHATE, AND SODIUM HEXAMETAPHOSPHATE IN AN AMOUNT SUFFICIENT TO INHIBIT METATHESIS AND ABOUT 1-20% BY WEIGHT OF THE TOTAL COMPOSITION OF CYCLIC, DIMERIZED ACIDS HAVING AT LEAST TWO OLEFINIC LINKAGES PER MOLECULE AND BEING DERIVABLE FROM POLYOLEFINIC, MONOCARBOXYLIC FATTY ACID MONOMERS HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
71 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKARYL SODIUM SULFONATE DETERGENT, ALKALI-METAL POLYPHOSPHATE SALTS SELECTED FROM THE GROUP CONSISTING OF SODIUM PYROPHOSPHATE, SODIUM TRIPOLYPHOSPHATE, AND SODIUM HEXAMETAPHOSPHATE IN AN AMOUNT SUFFICIENT TO INHIBIT METATHESIS AND ABOUT 1-20% BY WEIGHT OF THE TOTAL COMPOSITION OF CYCLIC, DIMERIZED ACIDS HAVING AT LEAST TWO OLEFINIC LINKAGES PER MOLECULE AND BEING DERIVABLE FROM POLYOLEFINIC, MONOCARBOXYLIC FATTY ACID MONOMERS HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |