US2639276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxanes of improved adhesion containing peroxides
Assignee: General Electric Co
•
Filing: 1950-11-21
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Granted: 1953-05-19
•
Expires: 1970-11-21
Abstract
No abstract record available.
Inventors
- 👤 Smith-Johannsen Robert
- 👤 Curtis S Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/70; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A COMPOSITION OF MATTER COMPRISING (1) A TITANIUM DIOXIDE-FILLED ORGANOPOLYSILOXANE CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE IN WHICH THE ORGANIC GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS, THE SAID ORGANIC GROUPS BEING PRESENT IN THE RATIO OF FROM ABOUT 1.98 TO 2.2 ORGANIC GROUPS PER SILICON ATOM, (2) A CURING AGENT FOR (1) SELECTED FROM THE CLASS CONSISTING OF BENZOYL PEROXIDE AND TERTIARY BUTYL PERBENZOATE, AND (3) AN ORGANIC PEROXIDE COMPOUND PRESENT IN AN AMOUNT UP TO 0.5%, BY WEIGHT, BASED ON THE WEIGHT OF THE ORGANOPOLYSILOXANE, THE SAID ORGANIC PEROXIDE COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF DITERTIARY BUTYL DIPERPHTHALATE, TERTIARY BUTYL HYDROPEROXIDE, DIPERSUCCINIC ACID, DITERTIARY BUTYL DIPERADIPATE, AND TITERTIARY BUTYL DIPERSUCCINATE.
Claim 2
Dependent Claim
122 words
A COMPOSITION OF MATTER COMPRISING (1) A TITANIUM DIOXIDE-FILLED ORGANOPOLYSILOXANE CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE IN WHICH THE ORGANIC GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS, THE SAID ORGANIC GROUPS BEING PRESENT IN THE RATIO OF FROM ABOUT 1.98 TO 2.2 ORGANIC GROUPS PER SILICON ATOM, (2) A CURING AGENT FOR (1) SELECTED FROM THE CLASS CONSISTING OF BENZOYL PEROXIDE AND TERTIARY BUTYL PERBENZOATE, AND (3) AN ORGANIC PEROXIDE COMPOUND PRESENT IN AN AMOUNT UP TO 0.5%, BY WEIGHT, BASED ON THE WEIGHT OF THE ORGANOPOLYSILOXANE, THE SAID ORGANIC PEROXIDE COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF DITERTIARY BUTYL DIPERPHTHALATE, TERTIARY BUTYL HYDROPEROXIDE, DIPERSUCCINIC ACID, DITERTIARY BUTYL DIPERADIPATE, AND TITERTIARY BUTYL DIPERSUCCINATE.
References Cited (Backward Citations)
US2448530A
Cited
US2480620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |