Patent US3542544A successfully refreshed from Google Patents.
US2558013A
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Aqueous acid fluoride compositions
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1948-09-16
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Granted: 1951-06-26
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Expires: 1968-09-16
Abstract
No abstract record available.
Inventors
- 👤 Julian L Staubly
- 👤 William A Millsaps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D3/00; C11D3/02; C11D3/04; C11D3/046; D; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/13; D06M11/68; D06M11/70; D06M11/71; D06M13/00; D06M13/10; D06M13/144; D06M13/148; D06M13/184; D06M13/207; D06M13/244; D06M13/282; D06M13/292; D06M23/00; D06M23/10; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN AQUEOUS ACID FLUORIDE COMPOSITION CONTAINING FROM ABOUT 5% TO ABOUT 60% BY WEIGHT TOTAL HF EQUIVALENT INCLUDING BOTH FREE AND COMBINED HYDROGEN FLUORIDE AND CONTAINING IN SOLUTION FROM 0.25% TO 15% BY WEIGHT OF AN ALIPHATIC COMPOUND IN WHICH A HYDORPHILIC OXYGEN-CONTAINING GROUP OTHER THAN A FREEE CARBOXYLIC ACID GROUP IS THE PRINCIPAL FUNCTIONAL GROUP OF THE COMPOUND AND WHICH CONTAINS NO THER GROUP INTERFERING WITH THE HYDROPHYILIC FUNCTION OF THE OXYGEN-CONTAINING GROUP, SAID ALIPHATIC COMPOUND CONTAINING NO MORE THAN TEN CARBON ATOMS AND SAID OXYGEN-CONTAINING GROUP BEING SELECTED FROM THE CLASS CONSISITING OF ALCOHOL GROUPS, CARBONYL GROUPS, AND ESTER GROUPS.
Claim 2
Dependent Claim
102 words
AN AQUEOUS ACID FLUORIDE COMPOSITION CONTAINING FROM ABOUT 5% TO ABOUT 60% BY WEIGHT TOTAL HF EQUIVALENT INCLUDING BOTH FREE AND COMBINED HYDROGEN FLUORIDE AND CONTAINING IN SOLUTION FROM 0.25% TO 15% BY WEIGHT OF AN ALIPHATIC COMPOUND IN WHICH A HYDORPHILIC OXYGEN-CONTAINING GROUP OTHER THAN A FREEE CARBOXYLIC ACID GROUP IS THE PRINCIPAL FUNCTIONAL GROUP OF THE COMPOUND AND WHICH CONTAINS NO THER GROUP INTERFERING WITH THE HYDROPHYILIC FUNCTION OF THE OXYGEN-CONTAINING GROUP, SAID ALIPHATIC COMPOUND CONTAINING NO MORE THAN TEN CARBON ATOMS AND SAID OXYGEN-CONTAINING GROUP BEING SELECTED FROM THE CLASS CONSISITING OF ALCOHOL GROUPS, CARBONYL GROUPS, AND ESTER GROUPS.
References Cited (Backward Citations)
US2399134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |