US3123489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing nacreous pigments
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:55
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/007; B; B44; B44F; B44F9/00; B44F9/08; C09B67/00; C09B67/0098; C09C; C09C1/00; C09C1/0015; C09C1/0018; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C09C2200/00; C09C2200/10; C09C2200/1004; C09C2200/102; C09C2200/1062; C09C2200/1087; C09C2200/30; C09C2200/302; C09C2200/303; C09C2220/00; C09C2220/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD FOR THE PREPARATION OF A NAREOUS COMPOSITION COMPRISING ENCLOSING A VAPORIZABLE NACRE-PRODUCING PIGMENT IN AN EVACUATED SPACE, SIMULTANEOUSLY HEATING SAID PIGMENT AND A VAPORIZABLE INORGANIC METAL SALT SUBSTRATE THEREFORE TO TEMPERATURES AT WHICH SAID PIGMENT AND SAID SUBSTRATE EVAPORATE, DEPOSITING A THIN FILM OF SAID NACRE-PRODUCING PIGMENT AND SAID SUBSTRATE ALTERNATELY ON A MOVING SURFACE SUFFICIENTLY COOL TO CONDENSE ALTERNATE THIN FILMS OF BOTH SAID NACRE-PRODUCING PIGMENT AND SAID SUBSTRATE, DISSOLVING SAID SUBSTRATE IN A LIQUID WHICH IS A SOLVENT FOR SAID SUBSTRATE AND A NON-SOLVENT FOR SAID NACRE-PRODUCING PIGMENT, AND THEN REMOVING SAID NACRE-PRODUCING PIGMENT FROM SAID SURFACE AND FRAGMENTING SAME TO FORM NACREOUS PIGMENT PARTICLES.
Claim 2
Independent Claim
109 words
A METHOD FOR THE PREPARATION OF A NAREOUS COMPOSITION COMPRISING ENCLOSING A VAPORIZABLE NACRE-PRODUCING PIGMENT IN AN EVACUATED SPACE, SIMULTANEOUSLY HEATING SAID PIGMENT AND A VAPORIZABLE INORGANIC METAL SALT SUBSTRATE THEREFORE TO TEMPERATURES AT WHICH SAID PIGMENT AND SAID SUBSTRATE EVAPORATE, DEPOSITING A THIN FILM OF SAID NACRE-PRODUCING PIGMENT AND SAID SUBSTRATE ALTERNATELY ON A MOVING SURFACE SUFFICIENTLY COOL TO CONDENSE ALTERNATE THIN FILMS OF BOTH SAID NACRE-PRODUCING PIGMENT AND SAID SUBSTRATE, DISSOLVING SAID SUBSTRATE IN A LIQUID WHICH IS A SOLVENT FOR SAID SUBSTRATE AND A NON-SOLVENT FOR SAID NACRE-PRODUCING PIGMENT, AND THEN REMOVING SAID NACRE-PRODUCING PIGMENT FROM SAID SURFACE AND FRAGMENTING SAME TO FORM NACREOUS PIGMENT PARTICLES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |