Patent US3128093A successfully refreshed from Google Patents.
Patent US2537073A successfully refreshed from Google Patents.
US2537073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted silicon acylates
Assignee: Ellis Foster Co
•
Filing: 1946-07-16
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Granted: 1951-01-09
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Expires: 1966-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Mackenzie
- 👤 Schoffman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF MAKING ORGANO SUBSTITUTED SILICON ACYLATES WHICH COMPRISES REACTING AN ORGANO SUBSTITUTED SILICON HALIDE HAVING THE FORMULA RAR''B SIHY(3-A-B) WHERE R AND R'' ARE SELECTED FROM THE GROUP CONSISTING OF ALKYL AND OLEFINIC HYDROCARBON RADICALS AND PHENYL, Y IS HALOGEN, A IS FROM 1 TO 2 AND B IS FROM 0 TO 1, WITH A CARBOXYLIC ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF FATTY ACIDS, BENZOIC ACID, THE ANHYDRIDES AND SALTS OF SAID ACIDS.
Claim 2
Independent Claim
77 words
THE METHOD OF MAKING ORGANO SUBSTITUTED SILICON ACYLATES WHICH COMPRISES REACTING AN ORGANO SUBSTITUTED SILICON HALIDE HAVING THE FORMULA RAR''B SIHY(3-A-B) WHERE R AND R'' ARE SELECTED FROM THE GROUP CONSISTING OF ALKYL AND OLEFINIC HYDROCARBON RADICALS AND PHENYL, Y IS HALOGEN, A IS FROM 1 TO 2 AND B IS FROM 0 TO 1, WITH A CARBOXYLIC ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF FATTY ACIDS, BENZOIC ACID, THE ANHYDRIDES AND SALTS OF SAID ACIDS.
References Cited (Backward Citations)
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Cited
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US2377689A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |