US3047535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal salts of substituted phosphoric acid as curing agents for polysi-loxanes
Assignee: Bradford Dyers Association Ltd
•
Filing: 1958-09-03
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Granted: 1962-07-31
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Expires: 1978-09-03
Abstract
No abstract record available.
Inventors
- 👤 Evans John Gwynant
- 👤 Crawshaw Geoffrey Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:03
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31725; Y10T428/31768; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR RENDERING MATERIAL WATER REPELLENT COMPRISING APPLYING TO SAID MATERAIL A MIXTURE OF (A) AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE PRODUCT OBTAINABLE BT HYDROLYSIS OF HYDROLYZABLE ORGANOSILANES CONTAINING ORGANIC GROUPS LINKED TO THE SILON THROUGH CABON-SILICON LINKAGE AND CONTAINING HYDROLYABLE SUBSTITUENTS DIRECTLY ATTACHED TO SILICON AND (B) A CURING AGENT THEREFOR, SAID CURING AGENT BEING A METAL SALT SELECTED FROM THE GROUP CONSISTING OF TIN, COPPER AND LEAD OF AN ACID OF FORMULA:
Claim 2
Dependent Claim
79 words
A PROCESS FOR RENDERING MATERIAL WATER REPELLENT COMPRISING APPLYING TO SAID MATERAIL A MIXTURE OF (A) AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE PRODUCT OBTAINABLE BT HYDROLYSIS OF HYDROLYZABLE ORGANOSILANES CONTAINING ORGANIC GROUPS LINKED TO THE SILON THROUGH CABON-SILICON LINKAGE AND CONTAINING HYDROLYABLE SUBSTITUENTS DIRECTLY ATTACHED TO SILICON AND (B) A CURING AGENT THEREFOR, SAID CURING AGENT BEING A METAL SALT SELECTED FROM THE GROUP CONSISTING OF TIN, COPPER AND LEAD OF AN ACID OF FORMULA:
References Cited (Backward Citations)
US2449572A
Cited
US2588366A
Cited
US2774690A
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US2789956A
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US2787274A
Cited
GB787175A
Cited
US2739952A
Cited
US2750305A
Cited
US2803614A
Cited
GB791117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |