Patent US2954916A successfully refreshed from Google Patents.
Patent US2498712A successfully refreshed from Google Patents.
US2498712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-emulsion paint
Assignee: Dow Chemical Co
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Filing: 1946-06-27
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Granted: 1950-02-28
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Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 Laurence L Ryden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:16
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PAINT COMPRISING AN AQUEOUS COLLOIDAL DISPERSION OF A POLYMER COMPOSED OF A MIXTURE OF POLYMERIZABLE UNSATURATED HYDROCARBONS, INCLUDING AT LEAST 15 MOLE PER CENT OF A MONOVINYL AROMATIC HYDROCARBON OF THE BENZENE SERIES AND BETWEEN 56 AND 60 MOLE PER CENT OF AN ALIPHATIC CONJUGATED IOLEFINE OF THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE, CHEMICALLY COMBINED WITH ONE ANOTHER, A PIGMENT ADDED TO AND ADMIXED WITH THE AQEUOUS DISPERSION OF THE POLYMER, AN EMULIFYING AGENT AND A PROTECTIVE COLLOID, THE POLYMER BEING PRESENT IN AMOUNT CORRESPONDING TO FROM 15 TO 100 PER CENT OF THE WEIGHT OF THE PIGMENT.
Claim 2
Dependent Claim
100 words
A PAINT COMPRISING AN AQUEOUS COLLOIDAL DISPERSION OF A POLYMER COMPOSED OF A MIXTURE OF POLYMERIZABLE UNSATURATED HYDROCARBONS, INCLUDING AT LEAST 15 MOLE PER CENT OF A MONOVINYL AROMATIC HYDROCARBON OF THE BENZENE SERIES AND BETWEEN 56 AND 60 MOLE PER CENT OF AN ALIPHATIC CONJUGATED IOLEFINE OF THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE, CHEMICALLY COMBINED WITH ONE ANOTHER, A PIGMENT ADDED TO AND ADMIXED WITH THE AQEUOUS DISPERSION OF THE POLYMER, AN EMULIFYING AGENT AND A PROTECTIVE COLLOID, THE POLYMER BEING PRESENT IN AMOUNT CORRESPONDING TO FROM 15 TO 100 PER CENT OF THE WEIGHT OF THE PIGMENT.
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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |