US2689837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungi and bacteria resistant polyvinyl halide compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1951-03-02
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Granted: 1954-09-21
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Darby
- 👤 Elmer E Cowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; C08K5/36; C08K5/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR PREPARING FUNGI AND BACTERIA RESISTANT VINYL HALIDE-CONTAINING POLYMERIC COMPOSITIONS WHICH COMPRISES INCORPORATING INTO A VINYL HALIDE-CONTAINING POLYMER IN WHICH MORE THAN 50% BY WEIGHT IS MADE FROM A VINYL HALIDE A SUBSTANTIALLY HOMOGENEOUS COMPOSITION OBTAINED BY HEATING A MIXTURE COMPRISING A PLASTICIZER FOR SAID RESIN, AN N-ALKYL ARYLSULFONAMIDE SELECTED FORM THE GROUP CONSISTING OF N-ALKYL BENZENESULFONAMIDES AND N-ALKYL TOLUENESULFONAMIDES WHEREIN THE ALKYL SUBSTITUENT CONTAINS AT LEAST 1 AND NOT MORE THAN 8 CARBON ATOMS, AND A MINOR BUT EFFECTIVE AMOUNT OF COPPER 8-QUINOLINOLATE, THE AMOUNT OF N-ALKYL ARYLSULFONAMIDE BEING SUFFICIENT TO COMPATIBILIZE THE COPPER 8QUINOLINATE IN THE RESIN COMPOSITION.
Claim 2
Dependent Claim
102 words
A PROCESS FOR PREPARING FUNGI AND BACTERIA RESISTANT VINYL HALIDE-CONTAINING POLYMERIC COMPOSITIONS WHICH COMPRISES INCORPORATING INTO A VINYL HALIDE-CONTAINING POLYMER IN WHICH MORE THAN 50% BY WEIGHT IS MADE FROM A VINYL HALIDE A SUBSTANTIALLY HOMOGENEOUS COMPOSITION OBTAINED BY HEATING A MIXTURE COMPRISING A PLASTICIZER FOR SAID RESIN, AN N-ALKYL ARYLSULFONAMIDE SELECTED FORM THE GROUP CONSISTING OF N-ALKYL BENZENESULFONAMIDES AND N-ALKYL TOLUENESULFONAMIDES WHEREIN THE ALKYL SUBSTITUENT CONTAINS AT LEAST 1 AND NOT MORE THAN 8 CARBON ATOMS, AND A MINOR BUT EFFECTIVE AMOUNT OF COPPER 8-QUINOLINOLATE, THE AMOUNT OF N-ALKYL ARYLSULFONAMIDE BEING SUFFICIENT TO COMPATIBILIZE THE COPPER 8QUINOLINATE IN THE RESIN COMPOSITION.
References Cited (Backward Citations)
US2490100A
Cited
US2567905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |