US2557778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding rubber to glass
Assignee: Dow Silicones Corp
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Filing: 1949-04-21
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Granted: 1951-06-19
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:47
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B25/00; B32B25/04; B32B25/20; C; C08; C08C; C08C19/00; C08C19/25; C08J; C08J5/00; C08J5/12; C08J5/124; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF BONDING A POLYMERIC RUBBER HYDROCARBON TO A SILICEOUS SOLID, WHCIH COMPRISES APPLYING TO A SURFACE OF THE SOLID A COATING OF A HYDRO-POLYCHLOROSILYL ADDITION PRODUCT OF A RUBBER HYDROCARBON OF THE GROUP CONSISTING OF NATURAL RUBBER AND ELASTOMERIC BUTADIENE-STYRENE COPOLYMERS, WHICH ADDITION PRODUCT CONTAINS RADICALS OF THE FORMULA -SI(CH3) NCL3-N, WHERE N IS AN INTEGER FROM 0 TO 1, BONDED TO CARBON ATOMS OF THE RUBBER HYDROCARBON, THE SILICON CONTENT OF SAID ADDITION PRODUCT BEING FROM 10 TO 50 PERCENT BASED ON THE CARBON CONTENT THEREOF, AND VULCANIZING A POLYMERIC RUBBER HYDROCARBON OF THE GROUP CONSISTING OF NATURAL RUBBER AND ELASTOMERICA BUTADIENE-STYRENE COPOLYMERS IN CONTACT WITH SAID COATED SURFACE.
Claim 2
Independent Claim
112 words
THE METHOD OF BONDING A POLYMERIC RUBBER HYDROCARBON TO A SILICEOUS SOLID, WHCIH COMPRISES APPLYING TO A SURFACE OF THE SOLID A COATING OF A HYDRO-POLYCHLOROSILYL ADDITION PRODUCT OF A RUBBER HYDROCARBON OF THE GROUP CONSISTING OF NATURAL RUBBER AND ELASTOMERIC BUTADIENE-STYRENE COPOLYMERS, WHICH ADDITION PRODUCT CONTAINS RADICALS OF THE FORMULA -SI(CH3) NCL3-N, WHERE N IS AN INTEGER FROM 0 TO 1, BONDED TO CARBON ATOMS OF THE RUBBER HYDROCARBON, THE SILICON CONTENT OF SAID ADDITION PRODUCT BEING FROM 10 TO 50 PERCENT BASED ON THE CARBON CONTENT THEREOF, AND VULCANIZING A POLYMERIC RUBBER HYDROCARBON OF THE GROUP CONSISTING OF NATURAL RUBBER AND ELASTOMERICA BUTADIENE-STYRENE COPOLYMERS IN CONTACT WITH SAID COATED SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |