US3015650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polyesterurethanes
Assignee: Goodrich Corp
•
Filing: 1957-05-07
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Granted: 1962-01-02
•
Expires: 1977-05-07
Abstract
No abstract record available.
Inventors
- 👤 Charles S Schollenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:28
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/65; C08G18/66; C08G18/6633; C08G18/6637; C08G18/664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A POLYESTERURETHANE CHARACTERIZED BY BEING TOUGH AND HARD, WITH A STORE D HARDNESS VALUE AT LEAST AS HIGH AS ABOUT 85, THERMOPLASTIC, LINEAR AND ESSENTIALLY FREE OF CROSS-LINKS, WITH A SECOND ORDER TRANSITION TEMPERATURE AT LEAST AS HIGH AS ABOUT 87*C, SOLUBLE IN MELTING POINT AT LEAST AS HIGH AS ABOUT 100*C, SOLUBLE IN METHYL KETONE AND ETHYL ACETATE TO GIVE SOLUTIONS HAVING AS HIGH AS 10 TO 20% TOTAL SOLIDS, BUT INCAPABLE OF DISSOLVING IN PURE TOLUENE TO GIVE SUCH SOLUTIONS, AND CAPABLE OF FORMING, FROM SUCH SOLUTIONS, CLEAR, FLEXIBLE ABRASION RESISTANT AND WEATHER RESISTANT FILMS, SAID POLYESTERURETHANE BEING THE PRODUCT OF THE SUBSTANTIALLY COMPLETE REACTION OF THREE REACTANTS, SAID REACTANTS BEING (A) A HYDROXYL TERMINATED POLYESTER OF ESTER FORMING REACTANTS CONSISTING OF (1) A SATURATED ALIPHATIC DIOL CONTAINING FROM 5 TO 10 CARBON ATOMS OF THE STRUCTURE
Claim 2
Dependent Claim
139 words
A POLYESTERURETHANE CHARACTERIZED BY BEING TOUGH AND HARD, WITH A STORE D HARDNESS VALUE AT LEAST AS HIGH AS ABOUT 85, THERMOPLASTIC, LINEAR AND ESSENTIALLY FREE OF CROSS-LINKS, WITH A SECOND ORDER TRANSITION TEMPERATURE AT LEAST AS HIGH AS ABOUT 87*C, SOLUBLE IN MELTING POINT AT LEAST AS HIGH AS ABOUT 100*C, SOLUBLE IN METHYL KETONE AND ETHYL ACETATE TO GIVE SOLUTIONS HAVING AS HIGH AS 10 TO 20% TOTAL SOLIDS, BUT INCAPABLE OF DISSOLVING IN PURE TOLUENE TO GIVE SUCH SOLUTIONS, AND CAPABLE OF FORMING, FROM SUCH SOLUTIONS, CLEAR, FLEXIBLE ABRASION RESISTANT AND WEATHER RESISTANT FILMS, SAID POLYESTERURETHANE BEING THE PRODUCT OF THE SUBSTANTIALLY COMPLETE REACTION OF THREE REACTANTS, SAID REACTANTS BEING (A) A HYDROXYL TERMINATED POLYESTER OF ESTER FORMING REACTANTS CONSISTING OF (1) A SATURATED ALIPHATIC DIOL CONTAINING FROM 5 TO 10 CARBON ATOMS OF THE STRUCTURE
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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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |