Patent US547047A successfully refreshed from Google Patents.
Patent US3309261A successfully refreshed from Google Patents.
US3309261A
Expired / Lapsed
US
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Adhesion of urethane adhesives to metals
Assignee: Wyeth Holdings LLC
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Filing: 1966-04-21
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Granted: 1967-03-14
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Expires: 1986-04-21
Abstract
No abstract record available.
Inventors
- 👤 Schiller Arthur Maurice
- 👤 Tanner George Albert
- 👤 Lewis Armand Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:03
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C09K3/1006; C09K3/1021; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08L; C08L63/00; C09J; C09J175/00; C09J175/04; C08L2666/00; C08L2666/28; C08L2666/44; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31605; Y10T428/31652; Y10T428/31663; Y10T428/31678
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
67 words
A NOVEL METAL BONDING ADHESIVE COMPOSITION COMPRISING A UNIFORM MIXTURE OF (A) A POLYURETHANE RESIN, (B) ABOUT 25% TO ABOUT 200% OF THE STOICHIOMETRIC EQUIVALENT OF THE NCO CONTENT OF (A), OF A DIAMINE CURING AGENT AND, (C) FROM ABOUT 0.10% TO ABOUT 4.0%, BY WEIGHT,, BASED ON THE WEIGHT OF (A), OF AN AMINOALKYLLOWERALKOXYSILANE WHEREIN THE ALKYL GROUP CONTAINS FROM 3 TO 4 CARBON ATOMS, INCLUSIVE.
Claim 2
Dependent Claim
67 words
A NOVEL METAL BONDING ADHESIVE COMPOSITION COMPRISING A UNIFORM MIXTURE OF (A) A POLYURETHANE RESIN, (B) ABOUT 25% TO ABOUT 200% OF THE STOICHIOMETRIC EQUIVALENT OF THE NCO CONTENT OF (A), OF A DIAMINE CURING AGENT AND, (C) FROM ABOUT 0.10% TO ABOUT 4.0%, BY WEIGHT,, BASED ON THE WEIGHT OF (A), OF AN AMINOALKYLLOWERALKOXYSILANE WHEREIN THE ALKYL GROUP CONTAINS FROM 3 TO 4 CARBON ATOMS, INCLUSIVE.
Claim 3
Dependent Claim
21 words
A UNITARY STRUCTURE COMPOSED OF AT LEAST TWO METAL LAYERS, SAID LAYERS BEING BONDED WITH THE ADHESIVE COMPOSITION OF CLAIM 1.
References Cited (Backward Citations)
US2832754A
Cited
US3200031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |