US3219624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy organopolysiloxanes
Assignee: General Electric Co
•
Filing: 1960-04-25
•
Granted: 1965-11-23
•
Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Cohen Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:49
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/21; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G77/00; C08G77/04; C08G77/38; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/043; C10M2229/044
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A PROCESS COMPRISING (1) REACTING AT A TEMPERATURE IN THE RANGE OF FROM 0*C. TO 100*C., PERACETIC ACID AND A METHYLXILOXANE SELECTED FROM THE CLASS CONSISTING OF 1,3DIVINYLTETRAMETHYLDISILOXANE AND 1,3,5,7-TETRAVINYL-1,3,5,7TETRAMETHYLCYCLOTETRASILOXANE, AND (2) RECOVERING FROM (1), AN EPOXY METHYLPOLYSILOXANE REACTION PRODUCT.
Claim 2
Dependent Claim
40 words
A PROCESS COMPRISING (1) REACTING AT A TEMPERATURE IN THE RANGE OF FROM 0*C. TO 100*C., PERACETIC ACID AND A METHYLXILOXANE SELECTED FROM THE CLASS CONSISTING OF 1,3DIVINYLTETRAMETHYLDISILOXANE AND 1,3,5,7-TETRAVINYL-1,3,5,7TETRAMETHYLCYCLOTETRASILOXANE, AND (2) RECOVERING FROM (1), AN EPOXY METHYLPOLYSILOXANE REACTION PRODUCT.
Claim 3
Dependent Claim
6 words
AN EPOXY METHYLCYCLOPOLYSILOXANE HAVING THE FORMULA
Claim 4
Dependent Claim
6 words
AN EPOXY METHYLCYCLOPOLYSILOXANE HAVING THE FORMULA
References Cited (Backward Citations)
CA580908A
Cited
GB750534A
Cited
DE1061321B
Cited
FR1185009A
Cited
US2946701A
Cited
US2951860A
Cited
US2997458A
Cited
US3131161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |