US2496226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dispersions of reaction products of halogenated paraffins and alkaline polysulfides
Assignee: Shell Development Co
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Filing: 1947-07-14
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Granted: 1950-01-31
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Expires: 1967-07-14
Abstract
No abstract record available.
Inventors
- 👤 Overhoff Johan
- 👤 Huyser Hendrik Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:23
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08G75/16; C07; C07G; C07G99/00; C07G99/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE PROCESS FOR THE PRODUCTION OF FINELY DIVIDED, STABLE DISPERSIONS OF THE HIGH MOLECULAR REACTION PRODUCTS OBTAINED BY REACTING A DI-HALOGEN SUBSTITUTED PARAFFIN WITH AN ALKALINE POLYSULFIDE WHICH COMPRISES EXECUTING SAID REACTION IN AN AQUEOUS MEDIUM IN THE PRESENCE OF A DISPERSION AGENT CONSISTING ESSENTIALLY OF A WATER SOLUBLE SALT OF A SULFURIC ACID ESTER OF A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM TEN TO EIGHTEEN CARBON ATOMS TO THE MOLECULE DERIVED FROM OLEFINIC HYDROCARBONS HAVING FROM TEN TO EIGHTEEN CARBON ATOMS TO THE MOLECULE.
Claim 2
Dependent Claim
84 words
THE PROCESS FOR THE PRODUCTION OF FINELY DIVIDED, STABLE DISPERSIONS OF THE HIGH MOLECULAR REACTION PRODUCTS OBTAINED BY REACTING A DI-HALOGEN SUBSTITUTED PARAFFIN WITH AN ALKALINE POLYSULFIDE WHICH COMPRISES EXECUTING SAID REACTION IN AN AQUEOUS MEDIUM IN THE PRESENCE OF A DISPERSION AGENT CONSISTING ESSENTIALLY OF A WATER SOLUBLE SALT OF A SULFURIC ACID ESTER OF A MONOHYDRIC ALIPHATIC ALCOHOL HAVING FROM TEN TO EIGHTEEN CARBON ATOMS TO THE MOLECULE DERIVED FROM OLEFINIC HYDROCARBONS HAVING FROM TEN TO EIGHTEEN CARBON ATOMS TO THE 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) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |