US3130070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating method and apparatus
Assignee: Individual
•
Filing: 1960-08-10
•
Granted: 1964-04-21
•
Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 Potters Robert
- 👤 Thomas K Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:36
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/006; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/19; B01F27/192; B01F27/1921; B01F27/60; B01F27/62; B01F35/00; B01F35/71; B01F35/717; B01F35/7179; B01J2/30; B05; B05C; B05C3/00; B05C3/02; B05C3/09; B05C3/10; B05D; B05D1/00; B05D1/36; B29; B29B; B29B7/00; B29B7/80; B29B7/88; B29B7/94; B29B7/945; C; C03; C03C; C03C17/00; C03C17/28; C03C17/30; B01F23/00; B01F23/50; B01F23/565; B01F27/112; B01F27/114; B01F33/00; B01F33/80; B01F33/836; B01F33/8363; B29B9/00; B29B9/16; B29B2009/163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD FOR COATING DISCRETE PARTICLES WHILE ADVANCING THE SAME ALONG A FEED PATH, COMPRISING CONTINUOUSLY FEEDING A MASS OF THE PARTICLES TO BE COATED ALONG SAID PATH UNDER CONTROLLED HUMIDITY CONDITIONS, INCREASING THE DEPTH OF THE PARTICLE MASS AS IT IS FED ALONG A PORTION OF SAID PATH, AGITATING SAID PARTICLES AS THEY ARE ADVANCED ALONG SAID PATH PORTION AT SAID INCREASED DEPTH, APPLYING FIRST AN AQUEOUS ACTIVATOR SOLUTION AND THEN A SILICON MATERIAL TO SAID PARTICLES DURING THE AGITATION THEREOF, AND VARYING THE TIME BETWEEN THE APPLICATION OF SAID SOLUTION TO THE AGITATED PARTICLES AND THE APPLICATION OF SAID MATERIAL THERETO IN ACCORDANCE WITH CHANGES IN ATMOSPHERIC HUMIDITY, SAID SOLUTION REACTING WITH SAID MATERIAL SO AS TO FORM A UNIFORM COATING ON EACH OF SAID PARTICLES.
Claim 2
Independent Claim
128 words
A METHOD FOR COATING DISCRETE PARTICLES WHILE ADVANCING THE SAME ALONG A FEED PATH, COMPRISING CONTINUOUSLY FEEDING A MASS OF THE PARTICLES TO BE COATED ALONG SAID PATH UNDER CONTROLLED HUMIDITY CONDITIONS, INCREASING THE DEPTH OF THE PARTICLE MASS AS IT IS FED ALONG A PORTION OF SAID PATH, AGITATING SAID PARTICLES AS THEY ARE ADVANCED ALONG SAID PATH PORTION AT SAID INCREASED DEPTH, APPLYING FIRST AN AQUEOUS ACTIVATOR SOLUTION AND THEN A SILICON MATERIAL TO SAID PARTICLES DURING THE AGITATION THEREOF, AND VARYING THE TIME BETWEEN THE APPLICATION OF SAID SOLUTION TO THE AGITATED PARTICLES AND THE APPLICATION OF SAID MATERIAL THERETO IN ACCORDANCE WITH CHANGES IN ATMOSPHERIC HUMIDITY, SAID SOLUTION REACTING WITH SAID MATERIAL SO AS TO FORM A UNIFORM COATING ON EACH OF SAID PARTICLES.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |