US2881204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxyalkylated hydroxy compounds
Assignee: Visco Products Co
•
Filing: 1953-02-13
•
Granted: 1959-04-07
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Willard H Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:57
CPC Classifications
C; C07; C07C; C07C235/00; C07C235/02; C07C235/04; C07C235/12; C07C309/00; C07C309/01; C07C309/28; C07C309/41; C07C309/42; C10; C10G; C10G33/00; C10G33/04; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
AN OXYALKYLATED ORGANIC COMPOUND FROM THE GROUP CONSISTING OF OXYALKYLATED HYDROXY CARBOLIC ACID ESTERS, OXYALKYLATED HYDROXY CARBOXYLATES, OXYALKYLATED HYDROXY CARBOXYLIC ACID AMIDES, OXYALKYLATED HYDROXY SULFONIC ACID ESTERS, OXYLKYLATED HYDRODY SULFONATES, AND OXYALKYLATED HYDROXY SULFONIC ACID AMIDES WHEREIN THERE ARE 1 TO 2 HYDRYXY GROUPS AND 1 TO 3 GROUPS FROM THE CLASS CONSISTING OF CARBOXY AND SULFONIC, AT LEAST ONE OF SAID HYDROXY GROUPS IS OXYALKYLATED AND THE OXYALKYL GROUPS CONSIST OF BOTH OXYETHYLENE AND OXYPROPYLENE GROUPS, WITH THE FURTHER PROVISOS THAT OXYPROPYLENE GROUPS CONSTITUTE AT LEAST 20% BY WEIGHT OF ALL OF THE OXYALKYLENE GROUPS IN SAID OXYALKYLATEDORGANIC COMPOUND, THAT THE WEIGHT RATIO OF OXYETHYLENE TO OXYPROPYLENE DOES NOT EXCEED 4:1, THAT THE WEIGHT RATIO OF OXYPROPYLENE TO OXYETHYLENE DOES NOT EXCEED 3:1, THAT THE HYDROXY CARBOXYLIC ACID ESTERS, THE HYDROXY CARBOXYLATES, THE HYDROXY CARBOXYLIC ACID AMIDES, THE HYDROXY FULFONIC ACID ESTERS, THE HYDROXY SULFONATES AND THE HYDROXY SULFONIC ACID AMIDES ARE HYDROCARBONS SUBSTITUTED WITH HYDROXY, CARBOXY AND SULFONIC RADICALS WHEREIN ONLY THE HYDROXY GROUPS ARE OXYALKYLATED, THAT THE OXYALKYLATED GROUPS CONTAIN TERMINAL HYDROXY GROUPS, THAT AT LEAST 60% OF THE MOLECULAR WEIGHT OF THE EFFECTIVE OXYALKYLATED ORGANIC COMPOUND IS ATTRIBUTABLE TO OXYALKYLENE GROUPS AND THAT THE MOLECULAR WEIGHT IS AT LEAST 1000, THE TOTAL MOLECULAR WEIGHT OF SAID OXYALKYLATED ORGANIC COMPOUND NOT EXCEEDING 20,000.
Claim 2
Dependent Claim
216 words
AN OXYALKYLATED ORGANIC COMPOUND FROM THE GROUP CONSISTING OF OXYALKYLATED HYDROXY CARBOLIC ACID ESTERS, OXYALKYLATED HYDROXY CARBOXYLATES, OXYALKYLATED HYDROXY CARBOXYLIC ACID AMIDES, OXYALKYLATED HYDROXY SULFONIC ACID ESTERS, OXYLKYLATED HYDRODY SULFONATES, AND OXYALKYLATED HYDROXY SULFONIC ACID AMIDES WHEREIN THERE ARE 1 TO 2 HYDRYXY GROUPS AND 1 TO 3 GROUPS FROM THE CLASS CONSISTING OF CARBOXY AND SULFONIC, AT LEAST ONE OF SAID HYDROXY GROUPS IS OXYALKYLATED AND THE OXYALKYL GROUPS CONSIST OF BOTH OXYETHYLENE AND OXYPROPYLENE GROUPS, WITH THE FURTHER PROVISOS THAT OXYPROPYLENE GROUPS CONSTITUTE AT LEAST 20% BY WEIGHT OF ALL OF THE OXYALKYLENE GROUPS IN SAID OXYALKYLATEDORGANIC COMPOUND, THAT THE WEIGHT RATIO OF OXYETHYLENE TO OXYPROPYLENE DOES NOT EXCEED 4:1, THAT THE WEIGHT RATIO OF OXYPROPYLENE TO OXYETHYLENE DOES NOT EXCEED 3:1, THAT THE HYDROXY CARBOXYLIC ACID ESTERS, THE HYDROXY CARBOXYLATES, THE HYDROXY CARBOXYLIC ACID AMIDES, THE HYDROXY FULFONIC ACID ESTERS, THE HYDROXY SULFONATES AND THE HYDROXY SULFONIC ACID AMIDES ARE HYDROCARBONS SUBSTITUTED WITH HYDROXY, CARBOXY AND SULFONIC RADICALS WHEREIN ONLY THE HYDROXY GROUPS ARE OXYALKYLATED, THAT THE OXYALKYLATED GROUPS CONTAIN TERMINAL HYDROXY GROUPS, THAT AT LEAST 60% OF THE MOLECULAR WEIGHT OF THE EFFECTIVE OXYALKYLATED ORGANIC COMPOUND IS ATTRIBUTABLE TO OXYALKYLENE GROUPS AND THAT THE MOLECULAR WEIGHT IS AT LEAST 1000, THE TOTAL MOLECULAR WEIGHT OF SAID OXYALKYLATED ORGANIC COMPOUND NOT EXCEEDING 20,000.
References Cited (Backward Citations)
US2341846A
Cited
US2307494A
Cited
US2542550A
Cited
US2610206A
Cited
US2602087A
Cited
US2562878A
Cited
US2626911A
Cited
US2599538A
Cited
US2648703A
Cited
US2745857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |