Patent US2665256A successfully refreshed from Google Patents.
US2665256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid compositions containing polyoxyethylene ethers and urea
Assignee: Atlas Powder Co
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Filing: 1948-01-23
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Granted: 1954-01-05
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Expires: 1968-01-23
Abstract
No abstract record available.
Inventors
- 👤 George E Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:48
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/74; C11D17/00; C11D17/0047; C11D17/006; C11D3/00; C11D3/16; C11D3/26; C11D3/32; C11D3/323; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE SOLID CONCRETION PRODUCT OF UREA AND AT LEAST ONE NORMALLY LIQUID TO SOFT WAXY POLYOXYETHYLENE ETHER SELECTED FROM THE GROUP CONSISTING OF: (A) POLYOXYETHYLENE ETHERS OF HYDROXYLIC ESTERS OF 12 TO 15 CARBON ATOM CARBOXYLIC ACIDS AND POLYHYDRIC COMPOUNDS WITH FROM 3 TO 6 CARBON ATOMS, OF WHICH AT LEAST 3 ARE IN AN UNINTERRUPTED CHAIN, WHEREIN THE ETHERS CONTAIN AT LEAST 10 OXYETHYLENE GROUPS PER ACID REDICAL; (B) POLYOXYETHYLENE ETHERS OF HYROXYLIC ESTERS OF 16 TO 30 CARBON ATOM CARBOXYLIC ACIDS AND HYDROXYLIC COMPOUNDS WITH FORM 3 TO 6 CARBON ATOMS, OF WHICH AT LEAST 3 ARE IN AN UNINTERRUPTED CHAIN, WHEREIN THE ETHERS CONTAIN AT LEAST 6 OXYETHYLENE GROUPS PER ACID RADICAL; (C) ESTERS OF 12 TO 30 CARBON ATOM ALIPHATIC CARBOXYLIC ACIDS AND HYDROXY POLYOXYETHYLENE ETHERES OF 1 TO 10 CARBON ATOM ALIPHATIC ALCOHOLS, OTHER THAN ETHYLENE GLYCOL, WHEREIN THE ESTERS CONTAIN AT LEAST 7 OXYETHYLENE GROUPS PER ACID RADICAL; SAID SOLID CONCRETION PRODUCT CONTAINING AT LEAST 10 PER CENT BY WEIGHT OF SAID POLYOXYEHTYLENE ETHER.
Claim 2
Dependent Claim
175 words
A COMPOSITION CONSISTING ESSENTIALLY OF THE SOLID CONCRETION PRODUCT OF UREA AND AT LEAST ONE NORMALLY LIQUID TO SOFT WAXY POLYOXYETHYLENE ETHER SELECTED FROM THE GROUP CONSISTING OF: (A) POLYOXYETHYLENE ETHERS OF HYDROXYLIC ESTERS OF 12 TO 15 CARBON ATOM CARBOXYLIC ACIDS AND POLYHYDRIC COMPOUNDS WITH FROM 3 TO 6 CARBON ATOMS, OF WHICH AT LEAST 3 ARE IN AN UNINTERRUPTED CHAIN, WHEREIN THE ETHERS CONTAIN AT LEAST 10 OXYETHYLENE GROUPS PER ACID REDICAL; (B) POLYOXYETHYLENE ETHERS OF HYROXYLIC ESTERS OF 16 TO 30 CARBON ATOM CARBOXYLIC ACIDS AND HYDROXYLIC COMPOUNDS WITH FORM 3 TO 6 CARBON ATOMS, OF WHICH AT LEAST 3 ARE IN AN UNINTERRUPTED CHAIN, WHEREIN THE ETHERS CONTAIN AT LEAST 6 OXYETHYLENE GROUPS PER ACID RADICAL; (C) ESTERS OF 12 TO 30 CARBON ATOM ALIPHATIC CARBOXYLIC ACIDS AND HYDROXY POLYOXYETHYLENE ETHERES OF 1 TO 10 CARBON ATOM ALIPHATIC ALCOHOLS, OTHER THAN ETHYLENE GLYCOL, WHEREIN THE ESTERS CONTAIN AT LEAST 7 OXYETHYLENE GROUPS PER ACID RADICAL; SAID SOLID CONCRETION PRODUCT CONTAINING AT LEAST 10 PER CENT BY WEIGHT OF SAID POLYOXYEHTYLENE ETHER.
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |