US3024247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-crystallizing phthalocyanine coloring matters
Assignee: Standard Ultramarine and Color Co
•
Filing: 1958-05-26
•
Granted: 1962-03-06
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Frank H Moser
- 👤 James D Stepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:45
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/08; C09B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF PRODUCING NON-CRYSTALLIZING PHTHALOCYANINE COLORING MATTERS WHICH COMPRISES CONTACTING AN ACID-PASTED SUBSTANTIALLY WATER-FREE PHTHALOCYANINE COLOR SELECTED FROM THE GROUP CONSISTING OF COPPER IRON AND METAL-FREE PHTHALOCYANINE COLORS, WHICH COLORS HAVE ON THE AVERAGE FROM ZERO TO EIGHT CHLORINE ATOMS PER MOLECULE WITH CHLORINE AT A TEMPERATURE ABOVE ABOUT 20*C. TO PRODUCE A CHLORINATED PHTHALOCYANINE WHICH CONTAINS ON THE AVERAGE AT LEAST ABOUT 0.5 ATOM OF CHLORINE PER MOLECULE MORE THAN THE STARTING MATERIAL.
Claim 2
Independent Claim
75 words
THE METHOD OF PRODUCING NON-CRYSTALLIZING PHTHALOCYANINE COLORING MATTERS WHICH COMPRISES CONTACTING AN ACID-PASTED SUBSTANTIALLY WATER-FREE PHTHALOCYANINE COLOR SELECTED FROM THE GROUP CONSISTING OF COPPER IRON AND METAL-FREE PHTHALOCYANINE COLORS, WHICH COLORS HAVE ON THE AVERAGE FROM ZERO TO EIGHT CHLORINE ATOMS PER MOLECULE WITH CHLORINE AT A TEMPERATURE ABOVE ABOUT 20*C. TO PRODUCE A CHLORINATED PHTHALOCYANINE WHICH CONTAINS ON THE AVERAGE AT LEAST ABOUT 0.5 ATOM OF CHLORINE PER MOLECULE MORE THAN THE STARTING MATERIAL.
References Cited (Backward Citations)
US2486304A
Cited
US2611771A
Cited
US2586598A
Cited
US2662085A
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US2615026A
Cited
US2615027A
Cited
US2618642A
Cited
US2681347A
Cited
US2799594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |