US3022185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
White filler material and its preparation
Assignee: Individual
•
Filing: 1958-02-10
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Granted: 1962-02-20
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Delfosse Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:58
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/80; C01P2006/00; C01P2006/19; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A WHITE MINERAL FILER CONSISTING ESSENTIALLY OF PARTICLES OF AN AVERAGE DIAMETER OF ABOUT 0.5 TO 20 MICRONS OF A MINERAL FILLER MATERIAL HAVING AFFIXED THERETO PARTICLES OF AN AVERAGE DIAMETER OF NO MORE THAN ABOUT 0.1 MICRON OF A WHITE PIGMENT SELECTED FROM THE GROUP CONSISTING OF TITANIUM DIOXIDE AND ZINC OXIDE IN A VEHICLE OF A NORMALLY SOLID ORGANIC ACID, THE PIGMENT BEING BETWEEN ABOUT 0.5 TO 10% BY WEIGHT AND THE ORGANIC ACID VEHICLE BEING BETWEEN ABOUT 0.1 TO 10% BY WEIGHT, BOTH BASED ON THE FILLER MATERIAL.
Claim 2
Dependent Claim
91 words
A WHITE MINERAL FILER CONSISTING ESSENTIALLY OF PARTICLES OF AN AVERAGE DIAMETER OF ABOUT 0.5 TO 20 MICRONS OF A MINERAL FILLER MATERIAL HAVING AFFIXED THERETO PARTICLES OF AN AVERAGE DIAMETER OF NO MORE THAN ABOUT 0.1 MICRON OF A WHITE PIGMENT SELECTED FROM THE GROUP CONSISTING OF TITANIUM DIOXIDE AND ZINC OXIDE IN A VEHICLE OF A NORMALLY SOLID ORGANIC ACID, THE PIGMENT BEING BETWEEN ABOUT 0.5 TO 10% BY WEIGHT AND THE ORGANIC ACID VEHICLE BEING BETWEEN ABOUT 0.1 TO 10% BY WEIGHT, BOTH BASED ON THE FILLER 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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |