US3770674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a latex having high concentration of polymer particles and low viscosity employing soluble alginate and magnesium salts
Assignee: Eneos Corp
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Filing: 1971-04-01
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Granted: 1973-11-06
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Expires: 1991-04-01
Abstract
Abstract A METHOD OF DIRECTLY PRODUCING SYNTHETIC RUBBER LATEX HAVING A HIGH CONCENTRATION OF LARGE POLYMER PARTICLES AND A LOW VISCOSITY CHARACTERIZED BY POLYMERING ALIPHATIC CONJUGATED DIOLEFIN OR A MIXTURE OF ALIPHATIC CONJUGATED DIOLEFIN AND VINYL COMPOUND USING FATTY ACID SOAP, ROSIN SOAP OR A MIXTURE THEREOF AS THE EMULSIFIER, IN THE PRESENCE OF WATER-SOLUBLE ALGINATE AND WATER-SOLUBLE MAGNESIUM SALT.
Inventors
- 👤 M Takahashi
- 👤 Y Araki
- 👤 H Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:24
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10S; Y10S526/00; Y10S526/909
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |