US3028345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane composition containing an alpha-metallo-metallic salt of a monocarboxylic acid and method for preparing same
Assignee: Individual
•
Filing: 1959-06-02
•
Granted: 1962-04-03
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Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/222; C08G18/225
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A FOAMED POLYURETHANE COMPOSITION OBTAINED BY REACTING (1) AN ORGANIC POLYISOCYANATE WITH (2) A POLYGLY COL IN ADMIXTURE WITH (3) A FOAMING AGENT TO FOAM THE POLYURETHANE, AND (4) A-SODIO-SODIUM ACETATE; SAID ACETATE BEING EMPLOYED IN A PROPORTION OF 0.1 TO ABOUT 5 PERCENT OF THE WEIGHT OF SAID COMPOSITION.
References Cited (Backward Citations)
US2850528A
Cited
US2764565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |