Patent US2902389A successfully refreshed from Google Patents.
US2902389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bonding polysiloxanes to a surface and the resulting product
Assignee: Dow Silicones Corp
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Filing: 1955-02-25
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Granted: 1959-09-01
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Expires: 1975-02-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:53
CPC Classifications
C; C08; C08L; C08L83/00; C08G; C08G77/00; C08G77/04; C08G77/20; C08K; C08K5/00; C08K5/04; C08K5/14; C09; C09J; C09J183/00; C09J183/04; C09J7/00; C09J7/30; C09J7/38; C09J2483/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR BONDING A MATERIAL OF THE GROUP CONSISTING OF PEROXIDE-VULCANIZED ORGANOPOLYSILOXANE ELASTOMERS AND PEROXIDE-CURED ORGANOPOLYSILOXANE ADHESIVES TO A SOLID SURFACE WHICH COMPRISES COATING THE SOLID SURFACE WITH A LIQUID COMPRISING AN ORGANOSILICON COMPOUND OF THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA RNR''MSI(OCHR"''CH2NR"2HY)4-M-N AND PARTIAL HYDROLYZATES THEREOF WHEREIN R REPRESENTS ALKENYL RADICALS R'' REPRESENTS RADICALS SELECTED FROM THE GROUP CONSISTING OF ANY MONOVALENT HYDROCARBON RADICAL OTHER THAN ALKENYL RADICALS AND HYDROGEN ATOMS, N HAS AN AVERAGE VALUE OF FROM 1-3 INCLUSIVE, M HAS AN AVERAGE VALUE OF FORM 0 TO 2 INCLUSIVE, THE SUM OF M+N BEING FROM 1-3 INCLUSIVE, R"'' IS SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN
Claim 2
Dependent Claim
112 words
A PROCESS FOR BONDING A MATERIAL OF THE GROUP CONSISTING OF PEROXIDE-VULCANIZED ORGANOPOLYSILOXANE ELASTOMERS AND PEROXIDE-CURED ORGANOPOLYSILOXANE ADHESIVES TO A SOLID SURFACE WHICH COMPRISES COATING THE SOLID SURFACE WITH A LIQUID COMPRISING AN ORGANOSILICON COMPOUND OF THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA RNR''MSI(OCHR"''CH2NR"2HY)4-M-N AND PARTIAL HYDROLYZATES THEREOF WHEREIN R REPRESENTS ALKENYL RADICALS R'' REPRESENTS RADICALS SELECTED FROM THE GROUP CONSISTING OF ANY MONOVALENT HYDROCARBON RADICAL OTHER THAN ALKENYL RADICALS AND HYDROGEN ATOMS, N HAS AN AVERAGE VALUE OF FROM 1-3 INCLUSIVE, M HAS AN AVERAGE VALUE OF FORM 0 TO 2 INCLUSIVE, THE SUM OF M+N BEING FROM 1-3 INCLUSIVE, R"'' IS SELECTED FROM THE GROUP CONSISTING OF A HYDROGEN
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |