US3267050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed organic polyisocyanate-amine reaction products
Assignee: Union Carbide Corp
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Filing: 1962-05-21
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Granted: 1966-08-16
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 William C Kuryla
- 👤 Donald G Leis
- 👤 Jr Albert Douglas Winquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:24
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G18/08; C08G18/16; C08G18/30; C08G18/32; C08G18/3225; C08G2110/00; C08G2110/0041; C08G2110/005; C08G2110/0083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A FOAM WHICH COMPRISES THE FOAMED REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE, BLOWING AGENT, CATALYST, AND AN ADMIXTURE OF (A) TO POLYOL HAVING A HYDROXYL NUMBER OF FROM ABOUT 40 TO ABOUT 1000, AND (B) FROM 1 TO 15 WEIGHT PERCENT, BASED ON WEIGHT OF POLYOL PLUS AMINE, AN AN AMINE OF THE FORMULA
Claim 2
Dependent Claim
54 words
A FOAM WHICH COMPRISES THE FOAMED REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE, BLOWING AGENT, CATALYST, AND AN ADMIXTURE OF (A) TO POLYOL HAVING A HYDROXYL NUMBER OF FROM ABOUT 40 TO ABOUT 1000, AND (B) FROM 1 TO 15 WEIGHT PERCENT, BASED ON WEIGHT OF POLYOL PLUS AMINE, AN AN AMINE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |