US2535239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Castor oil-organo silicon reaction products and method for the production thereof
Assignee: Individual
•
Filing: 1947-01-10
•
Granted: 1950-12-26
•
Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:51
CPC Classifications
C; C08; C08G; C08G77/00; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5415; C08K5/5419
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A REACTION PRODUCT OF CASTOR OIL AND AN ORGANOSILICON COMPOUND OF THE CLASS RYSIXZ, IN WHICH R IS AN ALKYL RADICAL, X IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HALIDES AND ALKOXY RADICALS, Y IS AN INTEGER FROM ONE TO TWO, AND Z IS AN INTEGER FROM TWO TO THREE, THE FOURTH SILICON VALENCE, IF NOT OCCUPIED BY R OR X, BEING OCCUPIED BY HYDROGEN.
Claim 2
Dependent Claim
67 words
A REACTION PRODUCT OF CASTOR OIL AND AN ORGANOSILICON COMPOUND OF THE CLASS RYSIXZ, IN WHICH R IS AN ALKYL RADICAL, X IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HALIDES AND ALKOXY RADICALS, Y IS AN INTEGER FROM ONE TO TWO, AND Z IS AN INTEGER FROM TWO TO THREE, THE FOURTH SILICON VALENCE, IF NOT OCCUPIED BY R OR X, BEING OCCUPIED BY HYDROGEN.
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |