Patent US2925397A successfully refreshed from Google Patents.
US2925397A
Expired / Lapsed
US
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Polymer composition comprising a resinous polymer and the salt obtained by reacting a quaternary ammonium compound with an anionic surface active compound and method of making same
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1955-04-22
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Granted: 1960-02-16
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Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Hopfner Konrad
- 👤 Offermann Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A SOLID HIGH POLYMER PLASTIC COMPOSITION IN WHICH ADDITIVES CAN BE EASILY INTIMATELY DISPERSED WHICH PLASTIC COMPOSITION CONSISTS ESSENTIALLY OF A PLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYVINYL HALIDES, PLOYVINYL ACETATE, POLYACRYLONITRILE, POLYSTYRENE, POLYAMIDE OF HEXAMETHYLENE DIAMINE AND ADIPIC ACID AND POLYESTER OF GLYCEROL AND PHTHALIC ACID HAVING INCORPORATED THEREIN AND INTIMATELY AND THOROUGHLY DISPERSED THERETHROUGH A WATER-INSOLUBLE ORGANIC SALT PRECIPITATE OBTAINED BY ADDING TOGETHER AN AQUEOUS SOLUTION OF ORGANIC ANIONIC ACTIVE QUANTERNARY AMMONIUM COMPOUNDS HAVING AT LEAST ONE ALIPHATIC HYDROCARBON RADICAL CONTAINING 6 TO 22 CARBON ATOMS AND AN AQUEOUS SOLUTION OF AN ORGANIC ANIONIC SURFACE-ACTIVE COMPOUND HAVING AT LEAST ONE ALIPHATIC HYDROCARBON RADICAL CONTAINING 6 TO 20 CARBON ATOMS AND AT LEAST ONE ACID RADICAL CAPABLE OF BEING NEUTRALIZED BY AN ORGANIC BASE TO FORM A SALT THEREWITH SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID RADICALS, SULFONIC ACID RADICALS, PHOSPHORIC ACID RADICALS AND CARBOXYLIC ACID RADICALS, SAID CATIONIC AND SAID ANIONIC COMPOUNDS BEING IN SUBSTANTIALLY EQUIMOLAR PROPORTIONS IN SAID PRECIPITATE, AMOUNT BETWEEN ABOUT 3% AND ABOUT 20% OF THE AMOUNT OF SAID PLASTIC PRESENT IN SAID SOLID HIGH POLYMER PLASTIC COMPOSITION.
Claim 2
Dependent Claim
185 words
A SOLID HIGH POLYMER PLASTIC COMPOSITION IN WHICH ADDITIVES CAN BE EASILY INTIMATELY DISPERSED WHICH PLASTIC COMPOSITION CONSISTS ESSENTIALLY OF A PLASTIC SELECTED FROM THE GROUP CONSISTING OF POLYVINYL HALIDES, PLOYVINYL ACETATE, POLYACRYLONITRILE, POLYSTYRENE, POLYAMIDE OF HEXAMETHYLENE DIAMINE AND ADIPIC ACID AND POLYESTER OF GLYCEROL AND PHTHALIC ACID HAVING INCORPORATED THEREIN AND INTIMATELY AND THOROUGHLY DISPERSED THERETHROUGH A WATER-INSOLUBLE ORGANIC SALT PRECIPITATE OBTAINED BY ADDING TOGETHER AN AQUEOUS SOLUTION OF ORGANIC ANIONIC ACTIVE QUANTERNARY AMMONIUM COMPOUNDS HAVING AT LEAST ONE ALIPHATIC HYDROCARBON RADICAL CONTAINING 6 TO 22 CARBON ATOMS AND AN AQUEOUS SOLUTION OF AN ORGANIC ANIONIC SURFACE-ACTIVE COMPOUND HAVING AT LEAST ONE ALIPHATIC HYDROCARBON RADICAL CONTAINING 6 TO 20 CARBON ATOMS AND AT LEAST ONE ACID RADICAL CAPABLE OF BEING NEUTRALIZED BY AN ORGANIC BASE TO FORM A SALT THEREWITH SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID RADICALS, SULFONIC ACID RADICALS, PHOSPHORIC ACID RADICALS AND CARBOXYLIC ACID RADICALS, SAID CATIONIC AND SAID ANIONIC COMPOUNDS BEING IN SUBSTANTIALLY EQUIMOLAR PROPORTIONS IN SAID PRECIPITATE, AMOUNT BETWEEN ABOUT 3% AND ABOUT 20% OF THE AMOUNT OF SAID PLASTIC PRESENT IN SAID SOLID HIGH POLYMER PLASTIC COMPOSITION.
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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |