US3849230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bonding using epoxy-azido adhesives
Assignee: Hercules LLC
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Filing: 1972-11-30
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Granted: 1974-11-19
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Expires: 1992-11-30
Abstract
Abstract AND N AND M ARE INTEGERS FROM 1 TO 100, TO ADHERE POLYMERS TO CERTAIN SUBSTRATES, E.G., GLASS AND OTHER POLYMERS. WHERE R is a polyvalent organic radical, R'' is a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl radical, A is Disclosed is the use of epoxy-azido compounds of the formula
Inventors
- 👤 D Breslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:27
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/32; C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; B32B17/00; B32B17/06; B32B17/10; C08G59/22; C08G59/28; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; B32B2315/00; B32B2315/08; B32B2315/085; B32B2323/00; B32B2323/10; B32B2367/00; C08J2321/00; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
46 words
A PROCESS OF ADHERING A POLYMER TO A SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF SILICEOUS MATERIAL METAL AND OTHER POLYMER SUBSTRATES WHICH COMPRISES THE STEPS OF (1) MODIFYING SAID POLYMER BY HEATING IN ADMIXTURE WITH A SMALL AMOUNT OF AN EPOXY-AZIDO COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
46 words
A PROCESS OF ADHERING A POLYMER TO A SUBSTRATE SELECTED FROM THE GROUP CONSISTING OF SILICEOUS MATERIAL METAL AND OTHER POLYMER SUBSTRATES WHICH COMPRISES THE STEPS OF (1) MODIFYING SAID POLYMER BY HEATING IN ADMIXTURE WITH A SMALL AMOUNT OF AN EPOXY-AZIDO COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
31 words
The process of claim 1 wherein the said substrate has been primed with an agent compatible with said substrate and having free functional groups selected from amine and carboxylic acid groups.
Claim 4
Dependent Claim
16 words
The process of claim 2 wherein said substrate has been primed with an amino silane compound.
Claim 5
Dependent Claim
12 words
The process of claim 3 wherein the said substrate is glass cloth.
Claim 6
Dependent Claim
29 words
A process of adhering polyester tire cord to rubber tire stock which comprises the steps of (1) contacting said polyester tire cord with an epoxy-azido compound having the formula
Claim 7
Dependent Claim
29 words
A process of adhering polyester tire cord to rubber tire stock which comprises the steps of (1) contacting said polyester tire cord with an epoxy-azido compound having the formula
Claim 8
Dependent Claim
15 words
The process of claim 5 wherein the polyester tire cord is poly(ethylene terephthalate) tire cord.
References Cited (Backward Citations)
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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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |