US2876209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic silicon compounds and methods for making them
Assignee: Rohm and Haas Co
•
Filing: 1955-06-01
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Granted: 1959-03-03
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Expires: 1975-06-01
Abstract
No abstract record available.
Inventors
- 👤 Benneville Peter L De
- 👤 Marvin J Hurwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:17
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A CONDENSATION REACTION PRODUCT OF (1) AN ORGANIC COMPOUND THE ATOMS OF WHICH CONSIST OF CARBON, HYDROGEN, AND AT LEAST ONE ATOM ATTACHED DIRECTLY TO A CARBON ATOM SELECTED FROM THE GROUP CONSISTING OF OXYGEN, SULFUR, AND NITROGEN, SAID COMPOUND CONTAINING AT LEAST TWO REACTIVE HYDROGEN ATOMS, EACH REACTIVE HYDROGEN ATOM BEING ATTACHED DIRECTLY TO AN ATOM SELECTED FROM THE GROUP CONSISTING OF OXYGEN, SULFUR, AND NITROGEN ATOMS, AND (2) A SILICON-CONTAINING COMPOUND HAVING THE 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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |