US2730464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic treatment of textile yarns
Assignee: Shell Development Co
•
Filing: 1952-05-12
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Granted: 1956-01-10
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Expires: 1972-05-12
Abstract
No abstract record available.
Inventors
- 👤 Winsor Philip Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:08
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M7/00; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/28; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/064; C10N; C10N2040/00; C10N2040/46; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF REDUCING ELECTRO-STATIC CHARGES WHICH DEVELOP ON YARNS, FILAMENTS, FIBERS AND SIMILAR TEXTILE MATERIALS DURING THE PROCESSION THEREOF WHICH COMPRISES APPLYING TO SAID TEXTILE MATERIALS A COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL LUBRICATING OIL, AND A MINOR PROPORTION OF 2-HYDROCARBON SUBSTITUTED IMIDAZOLINE HAVING A TOTAL OF FROM ABOUT 7 TO ABOUT 30 CARBON ATOMS PER MOLECULE, WHICH COMPOSITION IS APPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT ON SAID TEXTILE MATERIALS AT LEAST ABOUT 0.02 PERCENT BY WEIGHT OF SAID SUBSTITUTED IMIDAZOLINE.
Claim 2
Independent Claim
84 words
THE METHOD OF REDUCING ELECTRO-STATIC CHARGES WHICH DEVELOP ON YARNS, FILAMENTS, FIBERS AND SIMILAR TEXTILE MATERIALS DURING THE PROCESSION THEREOF WHICH COMPRISES APPLYING TO SAID TEXTILE MATERIALS A COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL LUBRICATING OIL, AND A MINOR PROPORTION OF 2-HYDROCARBON SUBSTITUTED IMIDAZOLINE HAVING A TOTAL OF FROM ABOUT 7 TO ABOUT 30 CARBON ATOMS PER MOLECULE, WHICH COMPOSITION IS APPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT ON SAID TEXTILE MATERIALS AT LEAST ABOUT 0.02 PERCENT BY WEIGHT OF SAID SUBSTITUTED IMIDAZOLINE.
References Cited (Backward Citations)
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US2067202A
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US2093863A
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US2215861A
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |