Patent US979626A successfully refreshed from Google Patents.
Patent US2693479A successfully refreshed from Google Patents.
US2693479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing organic sulfonates and sulfates
Assignee: Colgate Palmolive Co
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Filing: 1950-02-08
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Granted: 1954-11-02
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Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ross John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:32
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/04; C07C303/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE PROCESS WHICH COMPRISES ESTABLISHING A HEELPART COMPRISING A REACTION PRODUCT OBTAINED BY REACTING A SULFONATING AGENT WITH ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKYLATED AROMATIC HYDROCARBONS AND FATTY ACID MONOGLYCERIDES, CONTINUOUSLY WITHDRAWING A PORTION OF SAID HEEL-PART AND CIRCULATING THE SAME THROUGH A COOLING ZONE, CONTINUOUSLY AND SEPARATELY INTRODUCING FRESH ORGANIC MATERIAL AND FRESH SULFONATING AGENT INTO SAID CIRCULATION HEEL-PART IMMEDIATELY PRIOR TO CIRCLATION OF THE LATTER THROUGH SAID COOLING ZONE, THE RATIO OF CIRCULATING HEEL-PART TO THE SUM OF THE QUANTITIES OF FRESHLY ADDED ORGANIC MATERIAL AND SULFONATING AGENT BEING WITHIN THE RANGE OF ABOUT 8:1 TO ABOUT 20:1 PARTS BY WEIGHT RESPECTIVELY.
Claim 2
Dependent Claim
107 words
THE PROCESS WHICH COMPRISES ESTABLISHING A HEELPART COMPRISING A REACTION PRODUCT OBTAINED BY REACTING A SULFONATING AGENT WITH ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKYLATED AROMATIC HYDROCARBONS AND FATTY ACID MONOGLYCERIDES, CONTINUOUSLY WITHDRAWING A PORTION OF SAID HEEL-PART AND CIRCULATING THE SAME THROUGH A COOLING ZONE, CONTINUOUSLY AND SEPARATELY INTRODUCING FRESH ORGANIC MATERIAL AND FRESH SULFONATING AGENT INTO SAID CIRCULATION HEEL-PART IMMEDIATELY PRIOR TO CIRCLATION OF THE LATTER THROUGH SAID COOLING ZONE, THE RATIO OF CIRCULATING HEEL-PART TO THE SUM OF THE QUANTITIES OF FRESHLY ADDED ORGANIC MATERIAL AND SULFONATING AGENT BEING WITHIN THE RANGE OF ABOUT 8:1 TO ABOUT 20:1 PARTS BY WEIGHT RESPECTIVELY.
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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |