US3235520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous non-tacky thermoplastic adhesive comprising resinous linear terpolyester of a linear glycol and acid components
Assignee: United Shoe Machinery Corp
•
Filing: 1960-06-27
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Granted: 1966-02-15
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:01
CPC Classifications
C; C09; C09J; C09J167/00; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199; C09J167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A NON-TACKY THERMOPLASTIC ADHESIVE COMPRISING A RESINOUS LINEAR TERPOLYESTER OF A LINEAR GLYCOL AND ACID COMPONENTS, SAID ACID COMPONENTS COMPRISING FROM 96 MOL PERCENT TO 80 MOL PERCENT OF MIXED TEREPHTHALIC AND ISOPHTHALIC ACIDS IN THE MOLAR RATIO OFFROM 6:4 TO 9:1 AND FROM 4 MOL PERCENT TO 20 MOL PERCENT OF A LINOLEIC ACID DIMER, SAID GLYCOL HAVING THE FORMULA HO(CH2)NOH WHERE N IS AN EVEN NUMBER GREATER THAN 1 BUT NOT OVER 10, SAID RESINOUS TERPOLYESTER POSSESSING VISCOSITY CHARACTERISTICS FOR APPLICATION IN MOLTEN FORM AND FOR SOLIDIFYING RAPIDLY ON COOLING TO A RUBBERY CONDITION.
Claim 2
Dependent Claim
96 words
A NON-TACKY THERMOPLASTIC ADHESIVE COMPRISING A RESINOUS LINEAR TERPOLYESTER OF A LINEAR GLYCOL AND ACID COMPONENTS, SAID ACID COMPONENTS COMPRISING FROM 96 MOL PERCENT TO 80 MOL PERCENT OF MIXED TEREPHTHALIC AND ISOPHTHALIC ACIDS IN THE MOLAR RATIO OFFROM 6:4 TO 9:1 AND FROM 4 MOL PERCENT TO 20 MOL PERCENT OF A LINOLEIC ACID DIMER, SAID GLYCOL HAVING THE FORMULA HO(CH2)NOH WHERE N IS AN EVEN NUMBER GREATER THAN 1 BUT NOT OVER 10, SAID RESINOUS TERPOLYESTER POSSESSING VISCOSITY CHARACTERISTICS FOR APPLICATION IN MOLTEN FORM AND FOR SOLIDIFYING RAPIDLY ON COOLING TO A RUBBERY CONDITION.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |