Patent US3340238A successfully refreshed from Google Patents.
Patent US2939855A successfully refreshed from Google Patents.
US2939855A
Expired / Lapsed
US
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Terpolymers containing salts of half esters of alpha, beta unsaturated ethylene dicarboxylic acids and composition containing same
Assignee: Bayer AG
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Filing: 1956-01-18
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Granted: 1960-06-07
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Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Bartl Herbert
- 👤 Sinn Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:21
CPC Classifications
C; C08; C08F; C08F222/00; C08F222/10; C08F222/12; C08F222/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A COATING COMPOSITION CONSISTING OF AN AQUEOUS DISPERSION OF A COPOLYMER OBTAINED BY COPOLYMERIZING IN WATER AT A PH VALUE OF 8 TO 10, (1) 30-94% OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER WITH AN ELASTICIZING ACTION SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND METHACRYLIC ACID ESTERS OF ALCOHOLS WITH AT LEAST 4 CARBON ATOMS, CONJUGATE DIOLEFINES OF 4-6 CARBON ATOMS, AND VINYL ALKYL ETHERS, THE ALKYL RADICALS OF WHICH CONTAIN AT LEAST 4 CARBON ATOMS, (2) 70-5% OF ANOTHER MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, DIVINYL BENZENE, ACRYLONITRILE, AN ACRYLIC ESTER OF A SATURATED ALCOHOL 1-3 CARBON ATOMS, A METHACRYLIC ESTER OF A SATURATED ALCOHOL OF 1-3 CARBON ATOMS, AND 1,1-DICHLORO ETHYLENE AND (3) AN EMULSIFYING AGENT CONSISTING OF 1-20 PERCENT OF THE SALT OF A SEMI-ESTER OF AN A-B-ETHYLENE DICARBOXYLIC ACID AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF OCTYL, DODECYL, OCTADECYL, AND ABIETYL ALCOHOLS.
Claim 2
Dependent Claim
150 words
A COATING COMPOSITION CONSISTING OF AN AQUEOUS DISPERSION OF A COPOLYMER OBTAINED BY COPOLYMERIZING IN WATER AT A PH VALUE OF 8 TO 10, (1) 30-94% OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER WITH AN ELASTICIZING ACTION SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND METHACRYLIC ACID ESTERS OF ALCOHOLS WITH AT LEAST 4 CARBON ATOMS, CONJUGATE DIOLEFINES OF 4-6 CARBON ATOMS, AND VINYL ALKYL ETHERS, THE ALKYL RADICALS OF WHICH CONTAIN AT LEAST 4 CARBON ATOMS, (2) 70-5% OF ANOTHER MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE, DIVINYL BENZENE, ACRYLONITRILE, AN ACRYLIC ESTER OF A SATURATED ALCOHOL 1-3 CARBON ATOMS, A METHACRYLIC ESTER OF A SATURATED ALCOHOL OF 1-3 CARBON ATOMS, AND 1,1-DICHLORO ETHYLENE AND (3) AN EMULSIFYING AGENT CONSISTING OF 1-20 PERCENT OF THE SALT OF A SEMI-ESTER OF AN A-B-ETHYLENE DICARBOXYLIC ACID AND AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF OCTYL, DODECYL, OCTADECYL, AND ABIETYL ALCOHOLS.
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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |