US2673207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of neutralizing crude sulfonates
Assignee: Colgate Palmolive Co
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Filing: 1950-01-10
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Granted: 1954-03-23
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Expires: 1970-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Trusler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:26
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE PROCESS OF NEUTRALIZING ACID SULFONATION PRODUCTS CONTAINING AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONIC ACIDS AND SULFURIC ACID ESTERS AND UNREACTED SULFONATING AGENT TO PREPARE A SALT OF THE ORGANIC ACID SUBSTANTIALLY FREE OF INORGANIC SALT WHICH COMPRISES PREPARING A TWO PHASE LIQUID VEHICLE CONTAINING A NEUTRALIZING AGENT, ONE PHASE OF SAID VEHICLE COMPRISING AN EQUEOUS SOLUTION OF AN INORGANIC SALT AND THE OTHER PHASE OF SAID VEHICLE COMPRISING AN INERT ORGANIC SOLVENT FOR THE NEUTRALIZED ORGANIC ACID, SAID INORGANIC SALT HAVING AN ANION SELECTED FROM THE GROUP CONSISTING OF SULFATES, CHLORIDES, AND NITRATES AND SAID ORGANIC SOLVENT BEING IMMISCIBLE WITH THE AQUEOUS INORGANIC SALT SOLUTION, AND INTRODUCING THE SAID SULFONATION PRODUCTS INTO SAID TWO PHASE LIQUID VEHICLE UNDER TURBULENT CONDITIONS TO EFFECT NEUTRALIZATION.
Claim 2
Dependent Claim
129 words
THE PROCESS OF NEUTRALIZING ACID SULFONATION PRODUCTS CONTAINING AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONIC ACIDS AND SULFURIC ACID ESTERS AND UNREACTED SULFONATING AGENT TO PREPARE A SALT OF THE ORGANIC ACID SUBSTANTIALLY FREE OF INORGANIC SALT WHICH COMPRISES PREPARING A TWO PHASE LIQUID VEHICLE CONTAINING A NEUTRALIZING AGENT, ONE PHASE OF SAID VEHICLE COMPRISING AN EQUEOUS SOLUTION OF AN INORGANIC SALT AND THE OTHER PHASE OF SAID VEHICLE COMPRISING AN INERT ORGANIC SOLVENT FOR THE NEUTRALIZED ORGANIC ACID, SAID INORGANIC SALT HAVING AN ANION SELECTED FROM THE GROUP CONSISTING OF SULFATES, CHLORIDES, AND NITRATES AND SAID ORGANIC SOLVENT BEING IMMISCIBLE WITH THE AQUEOUS INORGANIC SALT SOLUTION, AND INTRODUCING THE SAID SULFONATION PRODUCTS INTO SAID TWO PHASE LIQUID VEHICLE UNDER TURBULENT CONDITIONS TO EFFECT NEUTRALIZATION.
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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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |