Patent DE7420248U successfully refreshed from Google Patents.
US2506320A
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Method of preparing solutions of mixtures of siloxane resin and polyvinyl acetal resin, wherein cresylic acid is used as one of the solvents
Assignee: Anaconda Wire and Cable Co
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Filing: 1945-12-06
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Granted: 1950-05-02
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Expires: 1965-12-06
Abstract
No abstract record available.
Inventors
- 👤 John H Vail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:00
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/448; C; C08; C08L; C08L29/00; C08L29/14; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A STABLE HOMOGENEOUS SOLUTION COMPRISING A MIXTURE OF A SOLUTION OF HYDROCARBON-SUBSTITUTED SILOXANE RESIN CONSISTING OF A POLYVINYL ALCOHOLLOWER ALIPHATIC ALDEHYDE CONDENSATION PRODUCT, EACH OF SAID RESINS BEING IN SOLUTION IN A SOLVENT MISCIBLE WITH CRESYLIC ACID, THE MIXTURE FURTHER CONTAINING CRESYLIC ACID IN AMOUNT OF AT LEAST 15% BY VOLUME OF THE COMBINED VOLUME OF BOTH RESIN SOLUTIONS AND TO AT LEAST 40% BY VOLUME OF THE POLYVINYL-ACETAL RESIN SOLUTION.
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) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |