US2995459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coloring nacreous materials and products and compositions provided thereby
Assignee: Faberge Inc
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Filing: 1957-11-26
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Granted: 1961-08-08
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Expires: 1977-11-26
Abstract
No abstract record available.
Inventors
- 👤 Soloway Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:11
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C09C1/0021; A; A61; A61K; A61K8/00; A61K8/02; A61Q; A61Q3/00; A61Q3/02; C09C1/0078; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/43; A61K2800/436; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84; C09C2200/00; C09C2200/10; C09C2200/1054; C09C2200/1058; C09C2200/1062; C09C2200/1087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD FOR COLORING FINELY DIVIDED NACREOUS MATERIAL SUSPENDED IN A LIQUID MEDIUM WHICH COMPRISES PRECIPITATING COLORING MATTER IN SITU ON THE INDIVIDUAL PARTICLES OF SAID NACREOUS MATERIAL BY ADMIXING WITH AGITATION A SOLUTION OF A PRECIPITATING AGENT TO SAID SUSPENSION AT A RATE OF ADDITION SLOW ENOUGH SO THAT SUBSTANTIALLY ALL OF THE COLORING MATTER IS PRECIPITATED DIRECTLY ON THE INDIVIDUAL NACREOUS PARTICLES WITHOUT DESTROYING THE CHARACTERISTIC GEOMETRY OF SAID PARTICLES, WITH SAID RATE OF ADMIXTURE BEING LESS THAN WILL PRODUCE SIGNIFICANT AMOUNTS OF PRECIPITATED COLORING MATTER OUT OF CONTACT WITH THE SUSPENDED NACREOUS MATERIAL.
Claim 2
Independent Claim
96 words
A METHOD FOR COLORING FINELY DIVIDED NACREOUS MATERIAL SUSPENDED IN A LIQUID MEDIUM WHICH COMPRISES PRECIPITATING COLORING MATTER IN SITU ON THE INDIVIDUAL PARTICLES OF SAID NACREOUS MATERIAL BY ADMIXING WITH AGITATION A SOLUTION OF A PRECIPITATING AGENT TO SAID SUSPENSION AT A RATE OF ADDITION SLOW ENOUGH SO THAT SUBSTANTIALLY ALL OF THE COLORING MATTER IS PRECIPITATED DIRECTLY ON THE INDIVIDUAL NACREOUS PARTICLES WITHOUT DESTROYING THE CHARACTERISTIC GEOMETRY OF SAID PARTICLES, WITH SAID RATE OF ADMIXTURE BEING LESS THAN WILL PRODUCE SIGNIFICANT AMOUNTS OF PRECIPITATED COLORING MATTER OUT OF CONTACT WITH THE SUSPENDED NACREOUS MATERIAL.
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |