US3066997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather treatment process and composition
Assignee: Titekote Corp
•
Filing: 1959-10-14
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Granted: 1962-12-04
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Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Maynard B Neher
- 👤 Victor G Vely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:15
CPC Classifications
C; C14; C14C; C14C11/00; C14C11/003; C14C11/006; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/48; C08G18/4825; C08G18/62; C08G18/6204; C08G18/70; C08G18/72; C08G18/80; C08G18/8003; C08G18/8006; C14C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS FOR CURING CRUSTED LEATHER COMPRISING THE STEP OF: APPLYING TO THE GRAIN SIDE OF THE LEATHER A COMPOSISTION CHARACTERIZED BY HAVING POLYVALENT ORGANIC RADICALS CONNECTED BY SUBSTITUTED-AMINE GROUPS, SAID GROUPS BEING SELECTED FROM THE GROUP CONSISTING OF A CARBAMATE, THIOCARBAMATE, SUBSTITUTED UREA, AND SUBSTITUTED THIOUREA, AND HAVING THE RADICAL NCY AS FREE TERMINAL GROUPS, WHERE Y IS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR.
Claim 2
Dependent Claim
68 words
A PROCESS FOR CURING CRUSTED LEATHER COMPRISING THE STEP OF: APPLYING TO THE GRAIN SIDE OF THE LEATHER A COMPOSISTION CHARACTERIZED BY HAVING POLYVALENT ORGANIC RADICALS CONNECTED BY SUBSTITUTED-AMINE GROUPS, SAID GROUPS BEING SELECTED FROM THE GROUP CONSISTING OF A CARBAMATE, THIOCARBAMATE, SUBSTITUTED UREA, AND SUBSTITUTED THIOUREA, AND HAVING THE RADICAL NCY AS FREE TERMINAL GROUPS, WHERE Y IS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR.
References Cited (Backward Citations)
US2303364A
Cited
US2620516A
Cited
US2948691A
Cited
US2855421A
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US2625535A
Cited
US2718516A
Cited
US2861981A
Cited
GB815185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |