US3560134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azo,vat and fluorescent dyes dustproofed with a light mineral oil and a fatty acid of polyoxyalkylated sorbitan
Assignee: GAF Corp
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Filing: 1967-06-19
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Granted: 1971-02-02
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Expires: 1987-06-19
Abstract
Abstract A DUSTPROOFING FORMULATION COMPRISING A MIXTURE OF A LOW VISCOSITY MINERAL OIL AND A POLYOXYALKYLATED SORBITAN ESTER OF A LONG CHAIN FATTY ACID, THE DUSTPROOFING FORMULATIONS BEING SUITABLE FOR USE IN DUSTPROOFING OF POWDERS CONTEMPLATED FOR USE WITH COLORING AGENTS WHICH ARE ACCEPTABLE FOR USE IN COSMETICS AND FOODSTUFFS, OR WRAPPING MATERIALS WHICH MAY COME IN CONTACT WITH FOODSTUFFS AND COSMETICS.
Inventors
- 👤 Clements Streck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:41
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4993; A61K8/72; A61K8/84; A61K8/86; A61Q; A61Q1/00; A61Q1/12; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0092; C09B67/0094; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/43; A61K2800/434
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |