US3287205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature bonding thermoplastic polyhydroxyether adhesive compositions
Assignee: Union Carbide Corp
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Filing: 1962-09-24
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Granted: 1966-11-22
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Bugel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:44
CPC Classifications
C; C09; C09J; C09J171/00; C09J129/00; C09J129/10; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/14; Y; Y10; Y10S; Y10S525/00; Y10S525/93; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31518; Y10T428/31522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A STRUCTURAL ELEMENT HAVING IMPROVED BOND STRENGTH COMPRISING AT LEAST ONE STEEL ADHEREND AND AT LEAST ONE STAINLESS STEEL ADHEREND SAID ADHERENDS BEING BONDED TOGETHER WITH AN ADHESIVE COMPOSITION COMPRISING A MIXTURE OF FROM 50 TO 98 PARTS BY WEIGHT OF THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDROXYETHER HAVING A DEDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGREE OF POLYMERIZATION OF AT LEAST 30, AND FROM 2 TO 50 PARTS BY WEIGHT OF POLY(VINYL ALKYL ETHER) WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS INCLUSIVE PER 100 PARTS BY WEIGHT OF THE MIXTURE.
Claim 2
Dependent Claim
99 words
A STRUCTURAL ELEMENT HAVING IMPROVED BOND STRENGTH COMPRISING AT LEAST ONE STEEL ADHEREND AND AT LEAST ONE STAINLESS STEEL ADHEREND SAID ADHERENDS BEING BONDED TOGETHER WITH AN ADHESIVE COMPOSITION COMPRISING A MIXTURE OF FROM 50 TO 98 PARTS BY WEIGHT OF THERMOPLASTIC POLYHYDROXYETHER REACTION PRODUCT OF SUBSTANTIALLY EQUIMOLAR AMOUNTS OF A DIHYDROXYETHER HAVING A DEDRIN, SAID THERMOPLASTIC POLYHYDROXYETHER HAVING A DEGREE OF POLYMERIZATION OF AT LEAST 30, AND FROM 2 TO 50 PARTS BY WEIGHT OF POLY(VINYL ALKYL ETHER) WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS INCLUSIVE PER 100 PARTS BY WEIGHT OF THE MIXTURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |