US2754280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsions of ionically cross-linked resins and methods for making them
Assignee: Rohm and Haas Co
•
Filing: 1954-04-23
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Granted: 1956-07-10
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Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 George L Brown
- 👤 Benjmain B Kine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A NEW COMPOSITION OF MATTER, AN AQUEOUS MEDIUM COMPRISING DISPERSED THEREIN (1) A NON-IONIC EMULSIFIER, (2) A WATER-INSOLUBLE COPOLYMER CONTAINING, IN THE POLYMER MOLECULE, UNITS OF AT LEAST ONE ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND METHACRYLIC ACIDS AND 0.25 TO 25 MOLAR PERCENT OF CARBOXYLCONTAINING MONOMERIC UNITS DERIVED FROM AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF ACRYLIC, METHACRYLIC, AND ITACONIC ACIDS, AND (3) A BASIC METALLIC COMPOUND, IN AN AMOUNT FROM 0.125 TO 12.5 MOLAR PERCENT BASED ON THE WEIGHT OF THE COPOLYMER, SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL SALTS OF WEAK ACIDS, BASIC SALTS OF POLYVALENT METALS, THE OXIDES AND HYDROXIDES OF BARIUM, CALCIUM, MAGNESIUM, AND STRONTIUM, AND THE HYHDROXIDES OF ALUMINUM, LEAD, AND ZIRCONIUM.
Claim 2
Dependent Claim
126 words
A NEW COMPOSITION OF MATTER, AN AQUEOUS MEDIUM COMPRISING DISPERSED THEREIN (1) A NON-IONIC EMULSIFIER, (2) A WATER-INSOLUBLE COPOLYMER CONTAINING, IN THE POLYMER MOLECULE, UNITS OF AT LEAST ONE ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND METHACRYLIC ACIDS AND 0.25 TO 25 MOLAR PERCENT OF CARBOXYLCONTAINING MONOMERIC UNITS DERIVED FROM AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF ACRYLIC, METHACRYLIC, AND ITACONIC ACIDS, AND (3) A BASIC METALLIC COMPOUND, IN AN AMOUNT FROM 0.125 TO 12.5 MOLAR PERCENT BASED ON THE WEIGHT OF THE COPOLYMER, SELECTED FROM THE CLASS CONSISTING OF POLYVALENT METAL SALTS OF WEAK ACIDS, BASIC SALTS OF POLYVALENT METALS, THE OXIDES AND HYDROXIDES OF BARIUM, CALCIUM, MAGNESIUM, AND STRONTIUM, AND THE HYHDROXIDES OF ALUMINUM, LEAD, AND ZIRCONIUM.
References Cited (Backward Citations)
GB580250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |