Patent US3175993A successfully refreshed from Google Patents.
US3175993A
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Polyfunctional siloxanes containing terminal alkoxyl groups
Assignee: Dow Silicones Corp
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Filing: 1961-10-16
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Granted: 1965-03-30
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Donald Richard Weyenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/18; C07F7/1804; C08G77/48; C08G77/50; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF MOLECULES OF THE AVERAGE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF MOLECULES OF THE AVERAGE FORMULA
Claim 3
Dependent Claim
35 words
A CURABLE BENZENE SOLUBLE COMPOSITION OF MATTER WHICH IS STABLE IN THE ABSENCE OF MOISTURE BUT CURES AT ROOM TEMPERATURE ON EXPOSURE TO MOISTURE CONSISTING ESSENTIALLY OF (1) A SILOXANE OF THE AVERAGE MOLECULAR FORMULA
Claim 4
Dependent Claim
35 words
A CURABLE BENZENE SOLUBLE COMPOSITION OF MATTER WHICH IS STABLE IN THE ABSENCE OF MOISTURE BUT CURES AT ROOM TEMPERATURE ON EXPOSURE TO MOISTURE CONSISTING ESSENTIALLY OF (1) A SILOXANE OF THE AVERAGE MOLECULAR FORMULA
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |