Patent US2637535A successfully refreshed from Google Patents.
US2637535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing paints and colored plastics
Assignee: Postans Ltd
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Filing: 1951-04-10
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Granted: 1953-05-05
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Expires: 1971-04-10
Abstract
No abstract record available.
Inventors
- 👤 Arnold Michael Henry Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/50; B01F23/55; B01F23/551; B01F23/56; B01J; B01J19/00; B01J19/08; B01J19/10; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0091; B01F2101/00; B01F2101/30; Y; Y10; Y10S; Y10S366/00; Y10S366/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE NEW OR IMPROVED PROCESS FOR MANUFACTURING PAINTS COMPRISING THE STEPS OF EFFECTING THE ADMIXTURE OF A POWDERED PIGMENT AND A CARRIER LIQUID OF LOW VISCOSITY, SUBJECTING THE MIXTURE TO ULTRASONIC VIBRATIONS TO ENSURE A UNIFORM DISPERSION OF THE PIGMENT IN THE CARRIER LIQUID, REDUCING THE PRODUCT TO A DESIRED SOLIDS CONTENT BY EVAPORATION, THEN ADDING THE PREPARATION AFORESAID IN THE REQUIRED PROPORTION TO A LIQUID WHICH IS TO CONSTITUTE THE BODY OF THE PAINT AND WHICH LIQUID IS OF RELATIVELY HIGH VISCOSITY, AND SUBSEQUENTLY EFFECTING A MIXTURE OF THE LIQUID PIGMENT PREPARATION OF RELATIVELY LOW VISCOSITY AND THE LIQUID OF RELATIVELY HIGH VISCOSITY.
Claim 2
Dependent Claim
104 words
THE NEW OR IMPROVED PROCESS FOR MANUFACTURING PAINTS COMPRISING THE STEPS OF EFFECTING THE ADMIXTURE OF A POWDERED PIGMENT AND A CARRIER LIQUID OF LOW VISCOSITY, SUBJECTING THE MIXTURE TO ULTRASONIC VIBRATIONS TO ENSURE A UNIFORM DISPERSION OF THE PIGMENT IN THE CARRIER LIQUID, REDUCING THE PRODUCT TO A DESIRED SOLIDS CONTENT BY EVAPORATION, THEN ADDING THE PREPARATION AFORESAID IN THE REQUIRED PROPORTION TO A LIQUID WHICH IS TO CONSTITUTE THE BODY OF THE PAINT AND WHICH LIQUID IS OF RELATIVELY HIGH VISCOSITY, AND SUBSEQUENTLY EFFECTING A MIXTURE OF THE LIQUID PIGMENT PREPARATION OF RELATIVELY LOW VISCOSITY AND THE LIQUID OF RELATIVELY HIGH VISCOSITY.
References Cited (Backward Citations)
US1738565A
Cited
US2163650A
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US2163649A
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US2195234A
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US2524573A
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US2498737A
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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) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |