Patent US3066997A successfully refreshed from Google Patents.
US3066997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather treatment process and composition
Assignee: Titekote Corp
•
Filing: 1959-10-14
•
Granted: 1962-12-04
•
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 16:36
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
Cited
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 |