Patent US5801639A successfully refreshed from Google Patents.
Patent US2762855A successfully refreshed from Google Patents.
US2762855A
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Process of making agglomerates for rubber compounding and product thereof
Assignee: Monsanto Chemicals Ltd
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Filing: 1952-12-03
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Granted: 1956-09-11
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Expires: 1972-12-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Kenneth E Creed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF MAKING AN IMPROVED DUSTLESS FREEFLOWING 2,2''-DITHIOBIS BENZOTHIAZOLE COMPOSITION FOR RUBBER COMPOUNDING FROM AN AQUEOUS DISPERSION OF 2,2''DITHIOBIS BENZOTHIAZOLE PREPARED BY OXIDIZING MERCAPTOBENZOTHIAZOLE IN AQUEOUS MEDIUM, WHICH CONSISTS IN STIRRING AND HEATING AN AQUEOUS DISPERSION OF 2,2''-DITHIOBIS BENZOTHIAZOLE AT ABOUT 85* C. TO REFLUXING TEMPERATURE IN THE PRESENCE OF BY-PRODUCTS ACCOMPANYING ITS FORMATION UNTIL BEAD-LIKE AGGLOMERATES LARGER THAN 100-MESH ARE FORMED.
Claim 2
Dependent Claim
63 words
THE PROCESS OF MAKING AN IMPROVED DUSTLESS FREEFLOWING 2,2''-DITHIOBIS BENZOTHIAZOLE COMPOSITION FOR RUBBER COMPOUNDING FROM AN AQUEOUS DISPERSION OF 2,2''DITHIOBIS BENZOTHIAZOLE PREPARED BY OXIDIZING MERCAPTOBENZOTHIAZOLE IN AQUEOUS MEDIUM, WHICH CONSISTS IN STIRRING AND HEATING AN AQUEOUS DISPERSION OF 2,2''-DITHIOBIS BENZOTHIAZOLE AT ABOUT 85* C. TO REFLUXING TEMPERATURE IN THE PRESENCE OF BY-PRODUCTS ACCOMPANYING ITS FORMATION UNTIL BEAD-LIKE AGGLOMERATES LARGER THAN 100-MESH ARE FORMED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |