Patent US2649382A successfully refreshed from Google Patents.
US2649382A
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Pigmented organic plastics and method for preparing the same
Assignee: Goodrich Corp
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Filing: 1949-08-03
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Granted: 1953-08-18
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Expires: 1969-08-03
Abstract
No abstract record available.
Inventors
- 👤 Vincent C Vesce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:08
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/006; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
138 words
A PROCESS OF MANUFACTURING A DISPERSION OF PIGMENT IN SOLID ORGANIC PLASTIC WHICH COMPRISES MILLING THE PIGMENT AND PLASTIC FOR A SUBSTANTIAL PERIOD OF TIME IN A LIQUID GRINDING MEDIUM CONSISTING ESSENTIALLY OF WATER AND A LIQUID ORGANIC WATER-MISCIBLE SOLVENT IN WHICH THE PLASTIC IS AT LEAST PARTIALLY SOLUBLE, THE WATER AND THE SOLVENT BEING PRESENT THROUGHOUT THE MILLING OPERATION IN SUCH PROPORTIONS THAT THE LIQUID GRINDING MEDIUM DOES NOT DISSOLVE A SUBSTANTIAL AMOUNT OF THE PLASTIC AND DOES NOT CAUSE SUBSTANTIAL AGGLOMERATION OF THE PLASTIC, THE LIQUID GRINDING MEDIUM BEING PRESENT AT ALL TIMES IN SUCH AMOUNTS AS TO GIVE A FLUIDITY TO THE MIXTURE WHICH PERMITS EFFECTIVE MILLING ACTION, CONTINUING THE MILLING OPERATION UNTIL A DISPERSION OF PIGMENT IN PLASTIC IS OBTAINED, AND THEREAFTER SEPARATING THE SOLID PORTION FROM THE LIQUID PORTION OF THE MILLED MIXTURE.
Claim 2
Dependent Claim
138 words
A PROCESS OF MANUFACTURING A DISPERSION OF PIGMENT IN SOLID ORGANIC PLASTIC WHICH COMPRISES MILLING THE PIGMENT AND PLASTIC FOR A SUBSTANTIAL PERIOD OF TIME IN A LIQUID GRINDING MEDIUM CONSISTING ESSENTIALLY OF WATER AND A LIQUID ORGANIC WATER-MISCIBLE SOLVENT IN WHICH THE PLASTIC IS AT LEAST PARTIALLY SOLUBLE, THE WATER AND THE SOLVENT BEING PRESENT THROUGHOUT THE MILLING OPERATION IN SUCH PROPORTIONS THAT THE LIQUID GRINDING MEDIUM DOES NOT DISSOLVE A SUBSTANTIAL AMOUNT OF THE PLASTIC AND DOES NOT CAUSE SUBSTANTIAL AGGLOMERATION OF THE PLASTIC, THE LIQUID GRINDING MEDIUM BEING PRESENT AT ALL TIMES IN SUCH AMOUNTS AS TO GIVE A FLUIDITY TO THE MIXTURE WHICH PERMITS EFFECTIVE MILLING ACTION, CONTINUING THE MILLING OPERATION UNTIL A DISPERSION OF PIGMENT IN PLASTIC IS OBTAINED, AND THEREAFTER SEPARATING THE SOLID PORTION FROM THE LIQUID PORTION OF THE MILLED MIXTURE.
Claim 3
Dependent Claim
39 words
A COMPOSITION OF MATTER PRODUCED BY THE PROCESS OF CLAIM 1 WHICH CONSISTS ESSENTIALLY OF PIGMENT DISPERSED IN SOLID ORGANIC PLASTIC IN THE FORM OF DRY, FREE-FLOWING PARTICLES POSSESSING A CHROMATICITY SUBSTANTIALLY NOT LESS THAN THE PIGMENT PORTION THEREOF.
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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) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |