US2987496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colorants for resins
Assignee: Vibrantz Corp
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Filing: 1960-08-23
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Granted: 1961-06-06
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 James E Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:25
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08L; C08L61/00; C08L61/20; C09; C09J; C09J167/00; C09J167/06; C08J2467/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE METHOD OF PRODUCING A HARD AND SUBSTANTIALLY INFUSIBLE COLORANT WHICH COMPRISES INTIMATELY ADMIXING FROM ABOUT 99.9% TO 80% OF AN UNPOLYMERIZED THERMOSETTING POLYESTER WITH FROM ABOUT 0.1% TO ABOUT 20% OF A PIGMENT, ADDING A CATALYST TO POLYMERIZE SAID ADMIXTURE INTO A HARD AND SUBSTANTIALLY INFUSIBLE RESINOUS MASS, AND THEN PULVERIZING SAID MASS TO A PARTICLE SIZE OF FROM 40-100 MESH.
Claim 2
Independent Claim
62 words
THE METHOD OF PRODUCING A HARD AND SUBSTANTIALLY INFUSIBLE COLORANT WHICH COMPRISES INTIMATELY ADMIXING FROM ABOUT 99.9% TO 80% OF AN UNPOLYMERIZED THERMOSETTING POLYESTER WITH FROM ABOUT 0.1% TO ABOUT 20% OF A PIGMENT, ADDING A CATALYST TO POLYMERIZE SAID ADMIXTURE INTO A HARD AND SUBSTANTIALLY INFUSIBLE RESINOUS MASS, AND THEN PULVERIZING SAID MASS TO A PARTICLE SIZE OF FROM 40-100 MESH.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |