US2665264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounding butyl rubber
Assignee: Uniroyal Inc
•
Filing: 1951-11-13
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Granted: 1954-01-05
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Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Marvin C Brooks
- 👤 Elbert C Ladd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C08K9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A VULCANIZATE OF A MIXTURE OF A RUBBERY ISOBUTYLENE-DIOLEFIN COPOLYMER AND A FILLER SELECTED FROM THE GROUP CONSISTING OF PRECIPITATED HYDRATED SILICA, PRECIPITATED HYDRATED CALCIUM SILICATE AND KAOLIN, SAID FILLER HAVING BEEN REACTED WITH AN UNSATURATED ORGANOHALOSILANE SELECTED FROM THE GROUP CONSISTING OF CYCLOALKENYLHALOSILANES AND CYCLOALKENYLALKYLHALOSILANES THE HALOGEN CONTENT OF WHICH IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, WITH THE CONCURRENT LIBERATION OF THE CORRESPONDING HYDROGEN HALIDE.
Claim 2
Dependent Claim
71 words
A VULCANIZATE OF A MIXTURE OF A RUBBERY ISOBUTYLENE-DIOLEFIN COPOLYMER AND A FILLER SELECTED FROM THE GROUP CONSISTING OF PRECIPITATED HYDRATED SILICA, PRECIPITATED HYDRATED CALCIUM SILICATE AND KAOLIN, SAID FILLER HAVING BEEN REACTED WITH AN UNSATURATED ORGANOHALOSILANE SELECTED FROM THE GROUP CONSISTING OF CYCLOALKENYLHALOSILANES AND CYCLOALKENYLALKYLHALOSILANES THE HALOGEN CONTENT OF WHICH IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, WITH THE CONCURRENT LIBERATION OF THE CORRESPONDING HYDROGEN HALIDE.
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |