Patent US3000750A successfully refreshed from Google Patents.
US3000750A
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Process of preparing dispersions of pulverulent material and preparations obtained thereby
Assignee: DEHYDAG DENTSCHE HYDRIERWERKE
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Filing: 1954-03-02
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Granted: 1961-09-19
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Expires: 1974-03-02
Abstract
No abstract record available.
Inventors
- 👤 Felletschin Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:52
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/006; C09C3/04; C09C3/041; C09C3/08; C01; C01P; C01P2006/00; C01P2006/22; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PROCESS OF PRODUCING STABLE DISPERSIONS OF PULVERULENT MATERIALS IN LIQUID TO PLASTIC ORGANIC VEHICLES, USED IN PAINT COMPOSITIONS, RUBBER COMPOSITIONS AND PLASTIC COMPOSITIONS, THE STEPS COMPRISING IMPREGNATING SAID PULVERULENT MATERIAL WITH A SALT OF AN ACID PHOSPHORIC ACID ESTER OF ALIPHATIC HYDROCARBON ALCOHOLS CONTAINING FROM 8 TO 18 CARBON ATOMS AND DISPERSING SAID IMPREGNATED PULVERULENT MATERIAL IN SAID ORGANIC VEHICLES.
Claim 2
Dependent Claim
62 words
IN A PROCESS OF PRODUCING STABLE DISPERSIONS OF PULVERULENT MATERIALS IN LIQUID TO PLASTIC ORGANIC VEHICLES, USED IN PAINT COMPOSITIONS, RUBBER COMPOSITIONS AND PLASTIC COMPOSITIONS, THE STEPS COMPRISING IMPREGNATING SAID PULVERULENT MATERIAL WITH A SALT OF AN ACID PHOSPHORIC ACID ESTER OF ALIPHATIC HYDROCARBON ALCOHOLS CONTAINING FROM 8 TO 18 CARBON ATOMS AND DISPERSING SAID IMPREGNATED PULVERULENT MATERIAL IN SAID ORGANIC VEHICLES.
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |