US2841567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-static composition, process of making and process of applying
Assignee: Union Carbide Corp
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Filing: 1955-11-21
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Granted: 1958-07-01
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Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 George K Blanton
- 👤 Jr Theophilus A Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S524/00; Y10S524/91; Y10S524/912; Y10T; Y10T442/00; Y10T442/20; Y10T442/2418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ANTISTATIC COMPOSITION STABLE DURING STORAGE, WHICH COMPRISES AN AQUEOUS SOLUTION ESSENTIALLY COMPRISING FROM 15% TO 60% BY WEIGHT OF POLYMERS OF ACRYLATE ESTERS OF POLYETHYLENE GLYCOLS HAVING AVERAGE MOLECULAR WEIGHTS BETWEEN ABOUT 400 AND ABOUT 1,000, AND ABOUT 1% TO ABOUT 16%, BASED UPON THE DRY WEIGHT OF SAID POLYMERS, OF AN OXYGEN-CONTAINING INORGANIC COMPOUND OF BORON, SAID AQUEOUS SOLUTION HAVING BEEN CONCENTRATED AND THE ACRYLATE ESTER POLYMERS THEREIN FORMED BY HEATING A 4% TO 12% AQUEOUS SOLUTION OF SAID ESTERS AT TEMPERATURES UP TO AROUND 100*C. IN THE PRESENCE OF FROM ABOUT 5% TO ABOUT 25%, BASED UPON THE DRY WEIGHT OF SAID ESTER, OF A CATALYST OF THE CLASS CONSISTING OF HYDROGEN PEROXIDE, PERACETIC ACID AND MIXTURES THEREOF.
Claim 2
Dependent Claim
121 words
AN ANTISTATIC COMPOSITION STABLE DURING STORAGE, WHICH COMPRISES AN AQUEOUS SOLUTION ESSENTIALLY COMPRISING FROM 15% TO 60% BY WEIGHT OF POLYMERS OF ACRYLATE ESTERS OF POLYETHYLENE GLYCOLS HAVING AVERAGE MOLECULAR WEIGHTS BETWEEN ABOUT 400 AND ABOUT 1,000, AND ABOUT 1% TO ABOUT 16%, BASED UPON THE DRY WEIGHT OF SAID POLYMERS, OF AN OXYGEN-CONTAINING INORGANIC COMPOUND OF BORON, SAID AQUEOUS SOLUTION HAVING BEEN CONCENTRATED AND THE ACRYLATE ESTER POLYMERS THEREIN FORMED BY HEATING A 4% TO 12% AQUEOUS SOLUTION OF SAID ESTERS AT TEMPERATURES UP TO AROUND 100*C. IN THE PRESENCE OF FROM ABOUT 5% TO ABOUT 25%, BASED UPON THE DRY WEIGHT OF SAID ESTER, OF A CATALYST OF THE CLASS CONSISTING OF HYDROGEN PEROXIDE, PERACETIC ACID AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2375140A
Cited
US2628178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |