US3014810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment composition and method of manufacture
Assignee: Armour and Co
•
Filing: 1958-09-08
•
Granted: 1961-12-26
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jack N Dybalski
- 👤 Donald J Berenschot
- 👤 Werner L Riegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:34
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/04; C09; C09C; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/80; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PIGMENT PARTICLE UNIFORMLY COATED WITH FROM 0.05 TO 5 WEIGHT PERCENT BASED ON THE WEIGHT OF DRY PIGMENT OF A MIXTURE CONSISTING ESSENTIALLY OF FROM 0.25 TO 10 PARTS OF A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
38 words
A PIGMENT PARTICLE UNIFORMLY COATED WITH FROM 0.05 TO 5 WEIGHT PERCENT BASED ON THE WEIGHT OF DRY PIGMENT OF A MIXTURE CONSISTING ESSENTIALLY OF FROM 0.25 TO 10 PARTS OF A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
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US2681314A
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US2754219A
Cited
US2841504A
Cited
US2819210A
Cited
US2674619A
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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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |