Patent US3324201A successfully refreshed from Google Patents.
US3324201A
Expired / Lapsed
US
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Bacteriostatic agents for thermoplastic polymer compositions
Assignee: Dow Chemical Co
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Filing: 1963-08-02
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Granted: 1967-06-06
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Donald L Peiser
- 👤 Ralph R Langner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A BACTERIOSTATIC PLASTIC MATERIAL CONSISTING ESSENTIALLY OF A THERMOPLASTIC POLYMER SELECTED FROM THE GROUP CONSISTING OF STYRENE POLYMERS AND POLYVINYL CHLORIDE, HAVING INTIMTELY INCORPORATED THEREWITH FROM 0.5 TO 5 PERCENT BY WEIGHT OF A COMPLEX OF A HACTERIOCIDAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXACHLIOROPHENE, 3,4'',5-TRIBROMOSALICYLAMILIDE, 4'',5-DIBROMOSALICYLANILIDE AND DODECYLCHLORODIPHENYL ETHER SULFONIC ACID, ALKALI SALT, WITH A POLYMERIC COMPLEXING MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLY(VINYLOXAZOLIDNONES), POLY(VINYLMORPHOLINONES) AND POLY(VINYL PYROLIDONES).
Claim 2
Dependent Claim
71 words
A BACTERIOSTATIC PLASTIC MATERIAL CONSISTING ESSENTIALLY OF A THERMOPLASTIC POLYMER SELECTED FROM THE GROUP CONSISTING OF STYRENE POLYMERS AND POLYVINYL CHLORIDE, HAVING INTIMTELY INCORPORATED THEREWITH FROM 0.5 TO 5 PERCENT BY WEIGHT OF A COMPLEX OF A HACTERIOCIDAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXACHLIOROPHENE, 3,4'',5-TRIBROMOSALICYLAMILIDE, 4'',5-DIBROMOSALICYLANILIDE AND DODECYLCHLORODIPHENYL ETHER SULFONIC ACID, ALKALI SALT, WITH A POLYMERIC COMPLEXING MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLY(VINYLOXAZOLIDNONES), POLY(VINYLMORPHOLINONES) AND POLY(VINYL PYROLIDONES).
References Cited (Backward Citations)
US2919200A
Cited
US3027347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |