US2951053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic polyurethane composition and method for making same
Assignee: Bayer Corp
•
Filing: 1956-02-15
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Granted: 1960-08-30
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Expires: 1976-02-15
Abstract
No abstract record available.
Inventors
- 👤 Reuter Franz Gottfried
- 👤 Ulderup Jurgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; C; C08; C08K; C08K3/00; C08K3/30; C08L; C08L75/00; C08L75/04; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ELASTIC POLYURETHANE CONTAINING FROM ABOUT 0.01 PERCENT TO ABOUT 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID POLYURETHANE, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM DISULFIDE, MOLYBDENUM DISELENIDE, MOLYBDENUM DITELLURIDE, TUNGSTEN SULFIDE AND TITANIUM SULFIDE AND FROM ABOUT 0.01 PERCENT TO ABOUT 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID POLYURETHANE, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF SILICONE OIL HAVING A VISCOSITY OF FROM ABOUT 50 CENTISTOKES TO ABOUT 500 CENTISTOKES AT 20*C., PETROLEUM LUBRICATING OIL, KEROSENE, HYDROCARBON WAXES, MONTAN WAX, BEESWAX, CARNAUBA WAX, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
98 words
AN ELASTIC POLYURETHANE CONTAINING FROM ABOUT 0.01 PERCENT TO ABOUT 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID POLYURETHANE, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM DISULFIDE, MOLYBDENUM DISELENIDE, MOLYBDENUM DITELLURIDE, TUNGSTEN SULFIDE AND TITANIUM SULFIDE AND FROM ABOUT 0.01 PERCENT TO ABOUT 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF SAID POLYURETHANE, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF SILICONE OIL HAVING A VISCOSITY OF FROM ABOUT 50 CENTISTOKES TO ABOUT 500 CENTISTOKES AT 20*C., PETROLEUM LUBRICATING OIL, KEROSENE, HYDROCARBON WAXES, MONTAN WAX, BEESWAX, CARNAUBA WAX, AND MIXTURES THEREOF.
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |