US3183206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of selfsealing organo-polysiloxane compositions
Assignee: Bayer AG
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Filing: 1962-06-13
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Granted: 1965-05-11
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Kniege Wilfried
- 👤 Schnurrbusch Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/84; C08G77/00; C08G77/04; C08G77/20; C08K; C08K3/00; C08K3/34; C08K3/36; C08K5/00; C08K5/04; C08K5/14; C08L; C08L83/00; C08L83/04; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
PROCESS FOR THE PRODUCTION OF SELF-SEALING MOISTUREINSENSITIVE-ORGANO-POLYSILOXANE ELASTOMERS, WHICH COMPRISES FORMING A MIXTURE OF 45 TO 75% BY WEIGHT OF A POLY-DIHYDROCARBOSILOXANE CONVETIBLE TO THE CURED, SOLID, ELASTIC STATE 20 TO 50% BY WEIGHT OF A FILLER SELECTED FROM THE GROUP CONSISTING OF SILICA, IRON OXIDE, TITANIUM OXIDE, ALUMINUM OXIDE, ZINC OXIDE, AND MIXTURES THEREOF, 0.4 TO 1% BY WEIGHT OF AN ORGANIC PEROXIDE AND 0.02 TO 10% BY WEIGHT OF A BORON HYDROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYL-SUBSTITUTED BORON HYDRIDES, N-ALKYL-SUBSTITUTED BORAZANES, N-ALKYL-SUBSTITUTED BORAZENES, N-ALKYL-SUBSTITUTED BORAZINES, AND THEREAFTER HEATING THE MIXTURE TO A TEMPERTURE OF ABOUT 350*C. TO EFFECT PRODUCTION OF THE SELF-SEALING-MOISTURE-INSENSITIVEORGANO-POLYSILOXANE ELASTOMER.
Claim 2
Dependent Claim
108 words
PROCESS FOR THE PRODUCTION OF SELF-SEALING MOISTUREINSENSITIVE-ORGANO-POLYSILOXANE ELASTOMERS, WHICH COMPRISES FORMING A MIXTURE OF 45 TO 75% BY WEIGHT OF A POLY-DIHYDROCARBOSILOXANE CONVETIBLE TO THE CURED, SOLID, ELASTIC STATE 20 TO 50% BY WEIGHT OF A FILLER SELECTED FROM THE GROUP CONSISTING OF SILICA, IRON OXIDE, TITANIUM OXIDE, ALUMINUM OXIDE, ZINC OXIDE, AND MIXTURES THEREOF, 0.4 TO 1% BY WEIGHT OF AN ORGANIC PEROXIDE AND 0.02 TO 10% BY WEIGHT OF A BORON HYDROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYL-SUBSTITUTED BORON HYDRIDES, N-ALKYL-SUBSTITUTED BORAZANES, N-ALKYL-SUBSTITUTED BORAZENES, N-ALKYL-SUBSTITUTED BORAZINES, AND THEREAFTER HEATING THE MIXTURE TO A TEMPERTURE OF ABOUT 350*C. TO EFFECT PRODUCTION OF THE SELF-SEALING-MOISTURE-INSENSITIVEORGANO-POLYSILOXANE ELASTOMER.
References Cited (Backward Citations)
US2558560A
Cited
US3050490A
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US2442613A
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US2558561A
Cited
US3070560A
Cited
US3050491A
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |