Patent US2717877A successfully refreshed from Google Patents.
US2717877A
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US
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Antistatic compositions
Assignee: Wyeth Holdings LLC
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Filing: 1952-09-10
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Granted: 1955-09-13
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Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Emil A Vitalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; C; C07; C07C; C07C303/00; C07C303/32; C07G; C07G99/00; C07G99/002; D06M11/00; D06M11/07; D06M11/11; D06M11/13; D06M11/155; D06M11/17; D06M11/32; D06M11/36; D06M11/48; D06M11/58; D06M11/64; D06M11/65; D06M11/68; D06M11/70; D06M11/71; D06M13/00; D06M13/244; D06M13/248; D06M13/256; D06M13/322; D06M13/402; D06M13/405; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
AN ANTISTATIC COMPOSITION COMPRISING (I) AN ANTISTATIC AGENT WHICH IS A SOLUBLE INORGANIC SALT THAT NORMALLY IS DEPOSITED IN THE FORM OF RELATIVELY LARGE CRYSTALS UPON VOLATILIZATION OF THE SOLVENT IN WHICH IT IS DISSOLVED AND (II) A SALT WHICH IS AN ADDITION PRODUCT OF (1) A BISULFITE AND (2) A POLYESTER WHICH IS A CONDENSATION PRODUCT OF (A) A GLYCEROL ESTER SELECTED FROM THE CLASS CONSISTING OF FATTY ACID MONOGLYCERIDES, FATTY ACID DIGLYCERIDES AND MIXTURES THEREOF, WHEREIN THE FATTY ACID COMPONENT THEREOF CONTAINS AT LEAST 8 CARBON ATOMS, WITH (B) AN ESTERIFICATION PRODUCT OF (A) AN ALIPHATIC DIHYDROXY COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKYLENE GLYCOLS AND POLYOXYALKYLENE GLYCOLS AND (B) AN ETHYLENICALLY UNSATURATED DICARBOXYLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF, THE ETHYLENICALLY UNSATURATED GROUPING OF THE SAID DICARBOXYLIC COMPOUND BEING ALPHA TO A CARBONYL GROUP, THE REACTANTS (A) AND (B) BEING EMPLOYED IN A MOLAR RATIO OF ABOUT 2 MOLES OF THE FORMER TO ABOUT 2 MOLE OF THE LATTER, THE REACTANTS OF (A) AND (B) BEING EMPLOYED IN A MOLAR RATIO OF 1 MOLE OF THE FORMER TO ABOUT 2 MOLES OF THE LATTER, AND THE INGREDIENTS OF (I) AND (II) BEING PRESENT IN THE SAID ANTISTATIC COMPOSITION IN WEIGHT PERCENTAGES OF FROM ABOUT 5 TO 97% OF THE FORMER TO FROM ABOUT 95 TO 3% OF THE LATTER.
Claim 2
Dependent Claim
231 words
AN ANTISTATIC COMPOSITION COMPRISING (I) AN ANTISTATIC AGENT WHICH IS A SOLUBLE INORGANIC SALT THAT NORMALLY IS DEPOSITED IN THE FORM OF RELATIVELY LARGE CRYSTALS UPON VOLATILIZATION OF THE SOLVENT IN WHICH IT IS DISSOLVED AND (II) A SALT WHICH IS AN ADDITION PRODUCT OF (1) A BISULFITE AND (2) A POLYESTER WHICH IS A CONDENSATION PRODUCT OF (A) A GLYCEROL ESTER SELECTED FROM THE CLASS CONSISTING OF FATTY ACID MONOGLYCERIDES, FATTY ACID DIGLYCERIDES AND MIXTURES THEREOF, WHEREIN THE FATTY ACID COMPONENT THEREOF CONTAINS AT LEAST 8 CARBON ATOMS, WITH (B) AN ESTERIFICATION PRODUCT OF (A) AN ALIPHATIC DIHYDROXY COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKYLENE GLYCOLS AND POLYOXYALKYLENE GLYCOLS AND (B) AN ETHYLENICALLY UNSATURATED DICARBOXYLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF, THE ETHYLENICALLY UNSATURATED GROUPING OF THE SAID DICARBOXYLIC COMPOUND BEING ALPHA TO A CARBONYL GROUP, THE REACTANTS (A) AND (B) BEING EMPLOYED IN A MOLAR RATIO OF ABOUT 2 MOLES OF THE FORMER TO ABOUT 2 MOLE OF THE LATTER, THE REACTANTS OF (A) AND (B) BEING EMPLOYED IN A MOLAR RATIO OF 1 MOLE OF THE FORMER TO ABOUT 2 MOLES OF THE LATTER, AND THE INGREDIENTS OF (I) AND (II) BEING PRESENT IN THE SAID ANTISTATIC COMPOSITION IN WEIGHT PERCENTAGES OF FROM ABOUT 5 TO 97% OF THE FORMER TO FROM ABOUT 95 TO 3% OF THE LATTER.
References Cited (Backward Citations)
US2086544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |