US2724700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid compositions containing urea and polyoxyethylene ethers of resin alcohols
Assignee: Atlas Powder Co
•
Filing: 1951-07-03
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Granted: 1955-11-22
•
Expires: 1971-07-03
Abstract
No abstract record available.
Inventors
- 👤 George E Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/72; C11D3/00; C11D3/16; C11D3/26; C11D3/32; C11D3/323; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE SOLID CONCRETION PRODUCT OF UREA AND A NORMALLY LIQUID TO SOFT WAXY POLYOXYETHYLENE ETHER OF A RESIN ALCOHOL CONTAINING AN AVERAGE OF AT LEAST 4 OXYETHYLENE GROUPS PER MOL OF SAID ALCOHOL; THE SAID CONCRETION PRODUCT CONTAINING AT LEAST 10% OF THE SAID POLYOXYETHYLENE ETHER.
Claim 2
Dependent Claim
51 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE SOLID CONCRETION PRODUCT OF UREA AND A NORMALLY LIQUID TO SOFT WAXY POLYOXYETHYLENE ETHER OF A RESIN ALCOHOL CONTAINING AN AVERAGE OF AT LEAST 4 OXYETHYLENE GROUPS PER MOL OF SAID ALCOHOL; THE SAID CONCRETION PRODUCT CONTAINING AT LEAST 10% OF THE SAID POLYOXYETHYLENE ETHER.
References Cited (Backward Citations)
US2374187A
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US2063987A
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GB443795A
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US2194429A
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GB467571A
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FR807280A
Cited
US2251768A
Cited
US2383738A
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US2383740A
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US2576913A
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US2514954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |