US2851439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane borate compositions
Assignee: —
•
Filing: —
•
Granted: 1958-09-09
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Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/70; C08K; C08K3/00; C08K3/38; C08K5/00; C08K5/55; C08L; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A COMPOSITION OF MATTER COMPRISING A SOLUTION OF (1) A METHYLPHENYLPOLYSILOXANE RESIN HAVING FROM 1 TO 1.7 INCLUSIVE TOTAL METHYL AND PHENYL GROUPS PER SILICON ATOM AND FROM .1 TO 1.5 PERCENT BY WEIGHT SILICON BONDED OH RADICALS AND (2) FROM .01 TO 3% BY WEIGHT OF AN ALKYL BORATE BASED ON THE WEIGHT OF THE SILOXANE RESIN.
Claim 2
Dependent Claim
58 words
A COMPOSITION OF MATTER COMPRISING A SOLUTION OF (1) A METHYLPHENYLPOLYSILOXANE RESIN HAVING FROM 1 TO 1.7 INCLUSIVE TOTAL METHYL AND PHENYL GROUPS PER SILICON ATOM AND FROM .1 TO 1.5 PERCENT BY WEIGHT SILICON BONDED OH RADICALS AND (2) FROM .01 TO 3% BY WEIGHT OF AN ALKYL BORATE BASED ON THE WEIGHT OF THE SILOXANE RESIN.
References Cited (Backward Citations)
US2371068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |