US3379607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for bonding silicone elastomers and primer compositions therefor
Assignee: Union Carbide Corp
•
Filing: 1963-10-21
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Granted: 1968-04-23
•
Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 William W Foster
- 👤 Pittner Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/395; C08G77/22; C08G77/28; C09; C09D; C09D5/00; C09D5/002; C09J; C09J5/00; C09J5/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
AS A PRIMER MATERIAL SUITABLE FOR BONDING A SILICON ELASTOMER TO A SUBSTRATE, THE POLYMER PRODUCT OBTAINED BY CONTACTING (A) AT LEAST ONE PHOSPHORUS CONTAINING COMPOUND HAVING AT LEAST ONE OXYGEN ATOM DIRECTLY BONDED TO PHOSPHORUS AND DEVOID OF ANY HYDROGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS WITH (B) AT LEAST ONE SILANE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
56 words
AS A PRIMER MATERIAL SUITABLE FOR BONDING A SILICON ELASTOMER TO A SUBSTRATE, THE POLYMER PRODUCT OBTAINED BY CONTACTING (A) AT LEAST ONE PHOSPHORUS CONTAINING COMPOUND HAVING AT LEAST ONE OXYGEN ATOM DIRECTLY BONDED TO PHOSPHORUS AND DEVOID OF ANY HYDROGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS WITH (B) AT LEAST ONE SILANE OF THE GENERAL FORMULA:
Claim 3
Dependent Claim
104 words
IN A PROCESS FOR PREPARING A SILICON ELASTOMER COATED SUBSTRATE, SAID COATING BEING BONDED TO THE SUBSTRATE THROUGH A PRIMER MATERIAL, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A PRIMER MATERIAL CONSISTING OF THE POLYMERIC PRODUCT OBTAINED BY CONTACTING (A) AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORON CONTAINING COMPOUNDS WHICH CONTAIN AT LEAST ONE ATOM SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND HYDROGEN DIRECTLY BONDED TO BORON, AND PHOSPHORUS CONTAINING COMPOUNDS HAVING AT LEAST ONE OXYGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS AND DEVOID OF ANY HYDROGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS WITH (B) AT LEAST OE SILANE OF THE GENERAL FORMULA:
Claim 4
Dependent Claim
104 words
IN A PROCESS FOR PREPARING A SILICON ELASTOMER COATED SUBSTRATE, SAID COATING BEING BONDED TO THE SUBSTRATE THROUGH A PRIMER MATERIAL, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A PRIMER MATERIAL CONSISTING OF THE POLYMERIC PRODUCT OBTAINED BY CONTACTING (A) AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORON CONTAINING COMPOUNDS WHICH CONTAIN AT LEAST ONE ATOM SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND HYDROGEN DIRECTLY BONDED TO BORON, AND PHOSPHORUS CONTAINING COMPOUNDS HAVING AT LEAST ONE OXYGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS AND DEVOID OF ANY HYDROGEN ATOM DIRECTLY ATTACHED TO PHOSPHORUS WITH (B) AT LEAST OE SILANE OF THE GENERAL FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |