US2679495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane waterproofing compositions of superior permanency
Assignee: Honeywell International Inc
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Filing: 1950-08-07
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Granted: 1954-05-25
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Expires: 1970-08-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Bunnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:04
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/495; C04B41/4961; C04B41/4966; C08; C08L; C08L83/00; C08L83/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COATING COMPOSITION OF IMPROVED STABILITY THAT FORMS WATER-REPELLENT COATINGS OF SUPERIOR PERMANENCY, COMPRISING A SILOXANOL WHOSE MOLECULES CONSIST OF SILICON ATOMS TO WHICH ARE ATTACHED (1) OH GROUPS, (2) OXYGEN LINKAGES CONNECTING SILICON ATOMS, AND (3) SECONDARY AMYL RADICALS, ANY ADDITIONAL RADICALS ATTACHED TO THE SILICON ATOMS BEING (4) PRIMARY ALKYL RADICALS HAVING FROM ONE TO SIX CARBON ATOMS, THE AVERAGE NUMBER OF THE RADICALS (4) ATTACHED TO EACH SILICON ATOM BEING FROM 0 TO 0.9, THE AVERAGE NUMBER OF THE RADICALS (3) ATTACHED TO EACH SILICON ATOM BEING FROM 0.3 TO 0.75, THE AVERAGE TOTAL NUMBER OF THE RADICALS (3) AND (4) ATTACHED TO EACH SILICON ATOM BEING NOT GREATER THAN 1.2, AND NOT LESS THAN 30 PER CENT OF SAID SILICON ATOMS HAVING THE RADICALS (3) ATTACHED THERETO.
Claim 2
Dependent Claim
131 words
A COATING COMPOSITION OF IMPROVED STABILITY THAT FORMS WATER-REPELLENT COATINGS OF SUPERIOR PERMANENCY, COMPRISING A SILOXANOL WHOSE MOLECULES CONSIST OF SILICON ATOMS TO WHICH ARE ATTACHED (1) OH GROUPS, (2) OXYGEN LINKAGES CONNECTING SILICON ATOMS, AND (3) SECONDARY AMYL RADICALS, ANY ADDITIONAL RADICALS ATTACHED TO THE SILICON ATOMS BEING (4) PRIMARY ALKYL RADICALS HAVING FROM ONE TO SIX CARBON ATOMS, THE AVERAGE NUMBER OF THE RADICALS (4) ATTACHED TO EACH SILICON ATOM BEING FROM 0 TO 0.9, THE AVERAGE NUMBER OF THE RADICALS (3) ATTACHED TO EACH SILICON ATOM BEING FROM 0.3 TO 0.75, THE AVERAGE TOTAL NUMBER OF THE RADICALS (3) AND (4) ATTACHED TO EACH SILICON ATOM BEING NOT GREATER THAN 1.2, AND NOT LESS THAN 30 PER CENT OF SAID SILICON ATOMS HAVING THE RADICALS (3) ATTACHED THERETO.
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) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |