US2789121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorosulfonation of organosilicon compounds
Assignee: General Electric Co
•
Filing: 1954-02-04
•
Granted: 1957-04-16
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Glenn D Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
THE PROCESS OF MAKING ORGANOSILICON COMPOUNDS CONTAINING A CHLOROSULFONYL RADICAL ATTACHED TO SILICON THROUGH ALIPHATIC CARBON WHICH PROCESS COMPRISES EFFECTING REACTION BETWEEN (1) AN ORGANOSILICON COMPOUND SELECTED FROM THE CLASS CONSISTING OF (A) (CH3)4-ASI(X)A WHERE X IS AHALOGEN AND A IS ONE OF THE FOLLOWING: 0, 1; (B) (R2)4-BSI(R1)B WHERE R1 IS AN ALKYL RADICAL HAVING MORE THAN ONE CARBON ATOM AND R2 REPRESENTS MEMBERS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN ALKYL RADICALS, ARYL RADICALS, ARALKYL RADICALS, HALOGENATED ARYL RADICALS, AND MIXTURES OF THE AFORESAID MEMBERS; AND B IS AN INTEGER EQUAL TO FROM 1 TO 4, INCLUSIVE, AND (C) ORGANOPLYSILOXANES CONTAINING THE RECURRING STRUCTURAL UNIT
Claim 2
Dependent Claim
108 words
THE PROCESS OF MAKING ORGANOSILICON COMPOUNDS CONTAINING A CHLOROSULFONYL RADICAL ATTACHED TO SILICON THROUGH ALIPHATIC CARBON WHICH PROCESS COMPRISES EFFECTING REACTION BETWEEN (1) AN ORGANOSILICON COMPOUND SELECTED FROM THE CLASS CONSISTING OF (A) (CH3)4-ASI(X)A WHERE X IS AHALOGEN AND A IS ONE OF THE FOLLOWING: 0, 1; (B) (R2)4-BSI(R1)B WHERE R1 IS AN ALKYL RADICAL HAVING MORE THAN ONE CARBON ATOM AND R2 REPRESENTS MEMBERS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN ALKYL RADICALS, ARYL RADICALS, ARALKYL RADICALS, HALOGENATED ARYL RADICALS, AND MIXTURES OF THE AFORESAID MEMBERS; AND B IS AN INTEGER EQUAL TO FROM 1 TO 4, INCLUSIVE, AND (C) ORGANOPLYSILOXANES CONTAINING THE RECURRING STRUCTURAL UNIT
Claim 3
Dependent Claim
13 words
ORGANOSILICON COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF (A) METHYLSILANES HAVING THE FORMULA:
Claim 4
Dependent Claim
13 words
ORGANOSILICON COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF (A) METHYLSILANES HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |