US3087828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nacreous pigment compositions
Assignee: EIDP Inc
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Filing: 1961-06-28
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Granted: 1963-04-30
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Howard R Linton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:54
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C09C1/0021; B; B82; B82Y; B82Y30/00; C08; C08K; C08K9/00; C08K9/02; C09C1/0024; C09C1/62; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/60; C01P2004/61; C01P2004/64; C01P2004/80; C01P2004/82; C01P2004/84; C01P2004/86; C01P2006/00; C01P2006/12; C01P2006/60; C09C2200/00; C09C2200/10; C09C2200/102; C09C2200/30; C09C2200/301; C09C2200/302; C09C2200/40; C09C2200/401; C09C2200/50; C09C2200/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PIGMENT COMPOSITION CONSISTING ESSENTIALLY OF TRANSLUCENT MICACEOUS FLAKES HAVING ON THE SURFACE THEREOF A TRANSLUCENT LAYER OF METAL OXIDE PARTICLES CONSISTING ESSENTIALLY OF PARTICLES SELECTED FROM THE GROUP OF HYDROUS TITANIUM DIOXIDE PARTICLES, TITANIUM DIOXIDE PARTICLES, HYDROUS ZIRONIUM DIOXIDE PARTICLES, AND ZIRCONIUM DIOXIDE PARTICLES, SUBSTANTIALLY ALL OF WHICH ARE LESS THAN 0.1 MICRON IN PARTICLE SIZE, SAID LAYER HAVING A THICKNESS OF ABOUT 20-250 MILLIMICRONS, SAID PIGMENT BEING SILVER COLOR WHEN THE THICKNESS OF METAL OXIDE LAYER IS IN THE LOWER PORTION OF SAID RANGE AND EXIBITING VARIOUS COLORS OF THE SPECTRUM AS THE THICKNESS OF THE METAL OXIDE LAYER IS INCREASED.
Claim 2
Dependent Claim
103 words
A PIGMENT COMPOSITION CONSISTING ESSENTIALLY OF TRANSLUCENT MICACEOUS FLAKES HAVING ON THE SURFACE THEREOF A TRANSLUCENT LAYER OF METAL OXIDE PARTICLES CONSISTING ESSENTIALLY OF PARTICLES SELECTED FROM THE GROUP OF HYDROUS TITANIUM DIOXIDE PARTICLES, TITANIUM DIOXIDE PARTICLES, HYDROUS ZIRONIUM DIOXIDE PARTICLES, AND ZIRCONIUM DIOXIDE PARTICLES, SUBSTANTIALLY ALL OF WHICH ARE LESS THAN 0.1 MICRON IN PARTICLE SIZE, SAID LAYER HAVING A THICKNESS OF ABOUT 20-250 MILLIMICRONS, SAID PIGMENT BEING SILVER COLOR WHEN THE THICKNESS OF METAL OXIDE LAYER IS IN THE LOWER PORTION OF SAID RANGE AND EXIBITING VARIOUS COLORS OF THE SPECTRUM AS THE THICKNESS OF THE METAL OXIDE LAYER IS INCREASED.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |