US3284395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High acrylonitrile polymer solutions containing a mixture of monochlorinated orthophenylphenols
Assignee: Dow Chemical Co
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Filing: 1965-07-26
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Granted: 1966-11-08
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred J Lowes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
BACTERIOSTATIC COMPOSITION COMPRISING A SPINNABLE SOLUTION OF: (1) A FIBER-FORMING ACRYLONITRILE POLYMER WHICH CONTAINS IN THE POLYMER MOLECULE AT LEAST ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE, ANY BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED MONOMERIC MATERIAL THAT IS COPOLYMERIZABLE WITH ACRYLONITRILE, (2) AN AQUEOUS SALINE SOLVENT FOR POLYACRYLONITRILE; SAID SOLVENT HAVING ADDITIONALLY DISSOLVED THEREIN (3) AT LEAST ABOUT 5 WEIGHT PERCENT BASED ON SAID FIBER-FORMING POLYMER WEIGHT OF A BACTERIOSTATIC AGENT COMPOSED OF PREDOMINANT AMOUNTS OF 6-CHLORO-2-PHENYLPHENOL WITH THE REMAINDER BEING 4CHLORO-2-PHENYLPHENOL.
Claim 2
Dependent Claim
80 words
BACTERIOSTATIC COMPOSITION COMPRISING A SPINNABLE SOLUTION OF: (1) A FIBER-FORMING ACRYLONITRILE POLYMER WHICH CONTAINS IN THE POLYMER MOLECULE AT LEAST ABOUT 85 WEIGHT PERCENT OF ACRYLONITRILE, ANY BALANCE BEING ANOTHER MONOETHYLENICALLY UNSATURATED MONOMERIC MATERIAL THAT IS COPOLYMERIZABLE WITH ACRYLONITRILE, (2) AN AQUEOUS SALINE SOLVENT FOR POLYACRYLONITRILE; SAID SOLVENT HAVING ADDITIONALLY DISSOLVED THEREIN (3) AT LEAST ABOUT 5 WEIGHT PERCENT BASED ON SAID FIBER-FORMING POLYMER WEIGHT OF A BACTERIOSTATIC AGENT COMPOSED OF PREDOMINANT AMOUNTS OF 6-CHLORO-2-PHENYLPHENOL WITH THE REMAINDER BEING 4CHLORO-2-PHENYLPHENOL.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |