US3016384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of color pigments in finely divided form
Assignee: BASF Schweiz AG
•
Filing: 1959-07-02
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Granted: 1962-01-09
•
Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Caliezi Armin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
C; C09; C09B; C09B3/00; C09B3/60; C09B5/00; C09B5/24; C09B5/26; C09B5/28; C09B67/00; C09B67/0001; C09B67/0014; C09B67/0016; C09B67/0032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE MANUFACTURE OF SOFT GRAINED PIGMENT OF HIGHLY CHLORINATED COPPER PHTHALOCYANINE, WHICH COMPRISES HEATING AT A TEMPERATURE BETWEEN THE BOILING POINT OF WATER AND 180*C. FOR AT LEAST 5 HOURS THE CRUDE PIGMENT IN WATER, AND THEN REMOVING THE WATER.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE MANUFACTURE OF SOFT GRAINED PIGMENT OF HIGHLY CHLORINATED COPPER PHTHALOCYANINE, WHICH COMPRISES HEATING AT A TEMPERATURE BETWEEN THE BOILING POINT OF WATER AND 180*C. FOR AT LEAST 5 HOURS THE CRUDE PIGMENT IN WATER, AND THEN REMOVING THE WATER.
References Cited (Backward Citations)
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US2378283A
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US2549842A
Cited
US2799595A
Cited
US2857400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |