US3828012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing resins in powder or granular form from aqueous polymer latices
Assignee: ROHM GmbH DT
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Filing: 1972-10-02
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Granted: 1974-08-06
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Expires: 1992-10-02
Abstract
Abstract METHOD OF PREPARING POWDERS OR GRANULES OF A SYNTHETIC ORGANIC RESIN BY DISPERSING AN AQUEOUS POLYMER LATEX CONTAINING THE RESIN IN AN ORGANIC LIQUID SUBSTANTIALLY IMMISCIBLE WITH WATER AND NOT DISSOLVING THE RESIN, REMOVING WATER FROM THE DISPERSION BY DISTILLATION, AND SEPARATINT THE RESIN FROM THE REMAINING ORGANIC LIQUID.
Inventors
- 👤 P Arndt
- 👤 H Blitz
- 👤 H Pennewiss
- 👤 H Kurth
- 👤 M Mueller
- 👤 K Huebner
- 👤 W Krall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:08
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |