Patent US2572885A successfully refreshed from Google Patents.
US2572885A
Expired / Lapsed
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Certain polyol ethers
Assignee: Baker Petrolite LLC
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Filing: 1949-09-28
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Granted: 1951-10-30
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Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Arthur F Wirtel
- 👤 Owen H Pettingill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:34
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/02; C07C35/08; C07C35/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AT LEAST ONE COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETANERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, GLYCIDE, ETHYLENE OXIDE AND WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPORXIMATELY WITHIN THE TRUNCATED TRAPEZOIDAL PYRAMID IDENTIFIED AS E, R, G, H-I, J, K, L IN FIGURE 4 OF THE DRAWINGS, WITH THE PROVISO THAT THE PERCENTAGE OF GLYCIDE IS WITHIN THE LIMITS OF 2% TO 25% BY WEIGHT AND THAT THE REMAINING THREE INITIAL REACTANTS, RECALCULATED TO A 100% BASIS, LIE APPROXIMATELY IN THE TRAPEZOIDAL AREA DEFINED APPROXIMATELY IN FIGURE 3 OF THE DRAWINGS BY POINTS 8, 9, 10 AND 11.
Claim 2
Dependent Claim
121 words
AT LEAST ONE COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETANERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, GLYCIDE, ETHYLENE OXIDE AND WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPORXIMATELY WITHIN THE TRUNCATED TRAPEZOIDAL PYRAMID IDENTIFIED AS E, R, G, H-I, J, K, L IN FIGURE 4 OF THE DRAWINGS, WITH THE PROVISO THAT THE PERCENTAGE OF GLYCIDE IS WITHIN THE LIMITS OF 2% TO 25% BY WEIGHT AND THAT THE REMAINING THREE INITIAL REACTANTS, RECALCULATED TO A 100% BASIS, LIE APPROXIMATELY IN THE TRAPEZOIDAL AREA DEFINED APPROXIMATELY IN FIGURE 3 OF THE DRAWINGS BY POINTS 8, 9, 10 AND 11.
References Cited (Backward Citations)
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US1976677A
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US2213477A
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US2130525A
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US2425755A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |