US3188292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickling inhibiting compositions
Assignee: UCB SA
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Filing: 1961-05-29
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Granted: 1965-06-08
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Pirotte Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:19
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23F; C23F11/00; C23F11/08; C23F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN INHIBITING COMPOSITION FOR METAL PICKLING CONSISTING ESSENTIALLY OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL-THIOUREA, THE ALKYL GROUP HAVING FROM 1 TO 5 CARBON ATOMS, TOLYL-THIOUREA AND PHENYL-THIOUREA AND (B) A SUBSTANTIALLY NON-EMULSIFYING NON-IONIC SURFACE ACTIVE AGENT CONSISTINGOF A CONDENSATION PRODUCT OF FROM 5 TO 30 MOLES OF ETHYLENE OXIDE PER MOLE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BETANAPHTHOL AND XYLENOL, THE PROPORTION OF (A) TO (B) BEING ABOUT 2 TO 25 PARTS BY WEIGHT OF (A) PER ABOUT 5 TO 75 PARTS BY WEIGHT OF (B).
Claim 2
Dependent Claim
94 words
AN INHIBITING COMPOSITION FOR METAL PICKLING CONSISTING ESSENTIALLY OF (A) A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL-THIOUREA, THE ALKYL GROUP HAVING FROM 1 TO 5 CARBON ATOMS, TOLYL-THIOUREA AND PHENYL-THIOUREA AND (B) A SUBSTANTIALLY NON-EMULSIFYING NON-IONIC SURFACE ACTIVE AGENT CONSISTINGOF A CONDENSATION PRODUCT OF FROM 5 TO 30 MOLES OF ETHYLENE OXIDE PER MOLE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BETANAPHTHOL AND XYLENOL, THE PROPORTION OF (A) TO (B) BEING ABOUT 2 TO 25 PARTS BY WEIGHT OF (A) PER ABOUT 5 TO 75 PARTS BY WEIGHT OF (B).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |