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US3085984A
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Polyurethane plastic containing an 8-hydroxy quinoline and process for preparing same
Assignee: Bayer AG
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Filing: 1960-04-01
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Granted: 1963-04-16
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Degener Eberhart
- 👤 Steinfatt Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:39
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A PROCESS FOR THE PREPARATION OF A POLYURETHANE PLASTIC CONTAINING A GERMICIDE BY A PROCESS WHICH COMPRISES REACTING AN ORGANIC COMPOUND CONTAINING AT LEAST TWO ACTIVE HYDROGEN CONTAINING GROUPS AS DETERIMINED BY THE ZEREWITINOFF METHOD WITH AN ORGANIC POLYISOCYANATE IN THE PRESENCE OF SAID GERMICIDE, THE IMPROVEMENT WHICH COMPRISES MIXING SAID ORGANIC COMPOUND CONTAINING AT LEAST TWO ACTIVE HYDROGEN-CONTANING GROUPS WITH FROM ABOUT 0.1 TO ABOUT 5 PERCENT BY WEIGHT OF AN UNREACTED 8HYDROXY QUINOLINE HAVING A FREE HYDROXYL GROUP AND THEREAFTER COMBINING THE RESULTING MIXTURE WITH AN ORGANIC POLYISOCYANATE.
Claim 2
Dependent Claim
91 words
IN A PROCESS FOR THE PREPARATION OF A POLYURETHANE PLASTIC CONTAINING A GERMICIDE BY A PROCESS WHICH COMPRISES REACTING AN ORGANIC COMPOUND CONTAINING AT LEAST TWO ACTIVE HYDROGEN CONTAINING GROUPS AS DETERIMINED BY THE ZEREWITINOFF METHOD WITH AN ORGANIC POLYISOCYANATE IN THE PRESENCE OF SAID GERMICIDE, THE IMPROVEMENT WHICH COMPRISES MIXING SAID ORGANIC COMPOUND CONTAINING AT LEAST TWO ACTIVE HYDROGEN-CONTANING GROUPS WITH FROM ABOUT 0.1 TO ABOUT 5 PERCENT BY WEIGHT OF AN UNREACTED 8HYDROXY QUINOLINE HAVING A FREE HYDROXYL GROUP AND THEREAFTER COMBINING THE RESULTING MIXTURE WITH AN ORGANIC POLYISOCYANATE.
References Cited (Backward Citations)
GB797576A
Cited
US2957832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |