US3198765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bacteriostatic acrylonitrile polymers
Assignee: Dow Chemical Co
•
Filing: 1962-03-16
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Granted: 1965-08-03
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Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred J Lowes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:49
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/28; D01F6/38; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
COMPOSITION OF MATTER, THE ESSENTIAL CONSTITUENTS OF WHICH ARE (1) A FIBER-FORMING ACRYLONITRILE POLYMER WHICH POLYMER CONTAINS IN THE POLYMER MOLECULE AT LEAST ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE, THE BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED MONOMER THAT IS COMPATIBLE WITH ACRYLONITRILE AND (2) AT LEAST ABOUT 0.5 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID FIBER-FORMING POLYMER OF A PHENOL SELECTED FROM THE GROUP CONSISTING OF 2,3,4,6-TETRACHLOROPHENOL AND PENTACHLOROPHENOL.
Claim 2
Dependent Claim
69 words
COMPOSITION OF MATTER, THE ESSENTIAL CONSTITUENTS OF WHICH ARE (1) A FIBER-FORMING ACRYLONITRILE POLYMER WHICH POLYMER CONTAINS IN THE POLYMER MOLECULE AT LEAST ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE, THE BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED MONOMER THAT IS COMPATIBLE WITH ACRYLONITRILE AND (2) AT LEAST ABOUT 0.5 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID FIBER-FORMING POLYMER OF A PHENOL SELECTED FROM THE GROUP CONSISTING OF 2,3,4,6-TETRACHLOROPHENOL AND PENTACHLOROPHENOL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |