US2992992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anhydrous monocarboxylic acid detergent compositions
Assignee: Individual
•
Filing: 1957-08-15
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Granted: 1961-07-18
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
- 👤 Leo P Curtin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:31
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/26; C11D7/266; C11D7/02; C11D7/04; C11D7/10; C11D7/12; C11D7/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AS A NEW DETERGENT COMPOSITION, AN ANHYDROUS, FREEFLOWING, QUICK-DISSOLVING POWDER CONSISTING ESSENTIALLY OF FROM ABOUT 18 PERCENT TO ABOUT 88 PERCENT OF A FINELY DIVIDED, ANHYDROUS MONOCARBOXYLIC ACID OF SOLIDIFICATION POINT AT LEAST AS HIGH AS 30*C. IN INTIMATE MIXTURE WITH FINELY DIVIDED, ANHYDROUS SODIUM CARBONATE, SAID MONOCARBOXYLIC ACID BEING SELECTED FROM THE CLASS CONSISTING OF SATURATED FATTY ACIDS OF 12 TO 18 CARBON ATOMS AND MONOCARBOXYLIC ACIDS WHICH ARE MONOESTERS OF DICARBOXYLIC ACIDS HAVING FROM 2 TO 4 CARBON ATOMS, SAID MONOESTER MONOCARBOXYLIC ACID HAVING IN ITS MOLECULE 14 TO 22 CARBON ATOMS AND CONTAINING AN ALKYL GROUP OF 12 TO 17 CARBON ATOMS, THE SODIUM CARBONATE BEING PRESENT IN AMOUNT OF AT LEAST ONE MOLE FOR EACH TWO MOLES OF MONOCARBOXYLIC ACID.
Claim 2
Dependent Claim
124 words
AS A NEW DETERGENT COMPOSITION, AN ANHYDROUS, FREEFLOWING, QUICK-DISSOLVING POWDER CONSISTING ESSENTIALLY OF FROM ABOUT 18 PERCENT TO ABOUT 88 PERCENT OF A FINELY DIVIDED, ANHYDROUS MONOCARBOXYLIC ACID OF SOLIDIFICATION POINT AT LEAST AS HIGH AS 30*C. IN INTIMATE MIXTURE WITH FINELY DIVIDED, ANHYDROUS SODIUM CARBONATE, SAID MONOCARBOXYLIC ACID BEING SELECTED FROM THE CLASS CONSISTING OF SATURATED FATTY ACIDS OF 12 TO 18 CARBON ATOMS AND MONOCARBOXYLIC ACIDS WHICH ARE MONOESTERS OF DICARBOXYLIC ACIDS HAVING FROM 2 TO 4 CARBON ATOMS, SAID MONOESTER MONOCARBOXYLIC ACID HAVING IN ITS MOLECULE 14 TO 22 CARBON ATOMS AND CONTAINING AN ALKYL GROUP OF 12 TO 17 CARBON ATOMS, THE SODIUM CARBONATE BEING PRESENT IN AMOUNT OF AT LEAST ONE MOLE FOR EACH TWO MOLES OF MONOCARBOXYLIC ACID.
References Cited (Backward Citations)
GB190810680A
Cited
FR772538A
Cited
GB473220A
Cited
US2243054A
Cited
US2412943A
Cited
US2730507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |