US2959497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treated fabrics
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-10-21
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Granted: 1960-11-08
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Charles R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:32
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24678; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2762; Y10T442/277; Y10T442/2779; Y10T442/2861; Y10T442/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A FABRIC IMPREGNATED WITH THE DRIED RESIDUE OF AN AQUEOUS LATEX OF AN INTERPOLYMER, SAID INTERPOLYMER COMPRISING (1) 35-60% BY WEIGHT OF AN UNSATURATED ESTER OF THE GROUP CONSISTING OF THE ESTERS OF ACRYLIC AND METHACRYLIC ACIDS WITH ALKANOLS CONTAINING 5-20 CARBON ATOMS AND HAVING 5-14 CARBON ATOMS IN THE LONGEST CONTINUOUS CHAIN THEREOF, (2) 3-10% BY WEIGHT OF AN UNSATURATED NITRILE OF THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, (3) 2-5% BY WEIGHT OF AN UNSATURATED ACID OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, CINNAMIC ACID, ATROPIC ACID, AND CROTONIC ACID, AND (4) CORRESPONDINGLY, 60-25% BY WEIGHT OF A MONOVINYLIDENE AROMATIC COMPOUND OF THE GROUP CONSISTING OF MONOVINYLIDENE AROMATIC HYDROCARBONS AND HALOGENATED MONOVINYLDENE AROMATIC HYDROCARBONS, SAID INTERPOLYMER HAVING BEEN PREPARED BY PARTIALLY POLYMERIZING THE UNSATURATED NITRILE TOGETHER WITH 11/2-3 TIMES ITS WEIGHT OF THE MONOVINYLIDENE AROMATIC COMPOUND, ADDING THE REMAINDER OF THE MONOMERS, AND COMPLETING THE INTERPOLYMERIZATION.
Claim 2
Dependent Claim
150 words
A FABRIC IMPREGNATED WITH THE DRIED RESIDUE OF AN AQUEOUS LATEX OF AN INTERPOLYMER, SAID INTERPOLYMER COMPRISING (1) 35-60% BY WEIGHT OF AN UNSATURATED ESTER OF THE GROUP CONSISTING OF THE ESTERS OF ACRYLIC AND METHACRYLIC ACIDS WITH ALKANOLS CONTAINING 5-20 CARBON ATOMS AND HAVING 5-14 CARBON ATOMS IN THE LONGEST CONTINUOUS CHAIN THEREOF, (2) 3-10% BY WEIGHT OF AN UNSATURATED NITRILE OF THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, (3) 2-5% BY WEIGHT OF AN UNSATURATED ACID OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, CINNAMIC ACID, ATROPIC ACID, AND CROTONIC ACID, AND (4) CORRESPONDINGLY, 60-25% BY WEIGHT OF A MONOVINYLIDENE AROMATIC COMPOUND OF THE GROUP CONSISTING OF MONOVINYLIDENE AROMATIC HYDROCARBONS AND HALOGENATED MONOVINYLDENE AROMATIC HYDROCARBONS, SAID INTERPOLYMER HAVING BEEN PREPARED BY PARTIALLY POLYMERIZING THE UNSATURATED NITRILE TOGETHER WITH 11/2-3 TIMES ITS WEIGHT OF THE MONOVINYLIDENE AROMATIC COMPOUND, ADDING THE REMAINDER OF THE MONOMERS, AND COMPLETING THE INTERPOLYMERIZATION.
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |