Patent US2844565A successfully refreshed from Google Patents.
US2844565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomerates and methods for making
Assignee: Goodyear Tire and Rubber Co
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Filing: 1954-03-12
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Granted: 1958-07-22
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Expires: 1974-03-12
Abstract
No abstract record available.
Inventors
- 👤 Donald W Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:08
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
THE METHOD FOR PREPARING AN AGGLOMERATED COMPOUNDING INGREDIENT FOR RUBBER WHICH COMPRISES MIXING MERCAPTOBENZOTHIAZYL DISULFIDE WITH A LATEX CONTAINING A VOLATILE STABILIZER SELECTED FROM THE GROUP CONSISTING OF AMMONIA, DIMETHYL AMINE, AND MORPHOLINE AND AN ANTIOXIDANT FOR THE RUBBER PORTION OF SAID LATEX, SAID LATEX BEING SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER LATEX, POLYCHLOROPRENE LATEX, POLYBUTADIENE LATEX, THE LATICES OF THE RUBBERY COPOLYMERS OF BUTADIENE AND STYRENE, AND THE LATICES OF THE RUBBERY COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, THE MERCAPTOBENZOTHIAZYL DISULFIDE BEING PRESENT IN 100 PARTS BY WEIGHT, THE LATEX BEING PRESENT IN AN AMOUNT TO PROVIDE FROM 4 TO 10 PARTS RUBBERY HYDROCARBON BY WEIGHT PER 100 PARTS BY WEIGHT OF MERCAPTOBENZOTHIAZYL DISULFIDE, THE VOLATILE STABILIZER BEING PRESENT IN AN AMOUNT TO PROVIDE AT LEAST 1 PART BY WEIGHT PER 100 PARTS BY WEIGHT OF MERCAPTOBENZOTHIAZYL DISULFIDE- THE TOTAL WATER CONTENT OF THE MIXTURE RANGING FROM 35 TO 50% OF THE TOTAL WEIGHT OF THE MASS, FORMING AGGLOMERATES OF SAID MIXTURE, DRYING THE AGGLOMERATES TO REMOVE WATER AND THE VOLATILE STABILIZER AND COLLECTING THE DRIED AGGLOMERATES.
Claim 2
Independent Claim
179 words
THE METHOD FOR PREPARING AN AGGLOMERATED COMPOUNDING INGREDIENT FOR RUBBER WHICH COMPRISES MIXING MERCAPTOBENZOTHIAZYL DISULFIDE WITH A LATEX CONTAINING A VOLATILE STABILIZER SELECTED FROM THE GROUP CONSISTING OF AMMONIA, DIMETHYL AMINE, AND MORPHOLINE AND AN ANTIOXIDANT FOR THE RUBBER PORTION OF SAID LATEX, SAID LATEX BEING SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER LATEX, POLYCHLOROPRENE LATEX, POLYBUTADIENE LATEX, THE LATICES OF THE RUBBERY COPOLYMERS OF BUTADIENE AND STYRENE, AND THE LATICES OF THE RUBBERY COPOLYMERS OF BUTADIENE AND ACRYLONITRILE, THE MERCAPTOBENZOTHIAZYL DISULFIDE BEING PRESENT IN 100 PARTS BY WEIGHT, THE LATEX BEING PRESENT IN AN AMOUNT TO PROVIDE FROM 4 TO 10 PARTS RUBBERY HYDROCARBON BY WEIGHT PER 100 PARTS BY WEIGHT OF MERCAPTOBENZOTHIAZYL DISULFIDE, THE VOLATILE STABILIZER BEING PRESENT IN AN AMOUNT TO PROVIDE AT LEAST 1 PART BY WEIGHT PER 100 PARTS BY WEIGHT OF MERCAPTOBENZOTHIAZYL DISULFIDE- THE TOTAL WATER CONTENT OF THE MIXTURE RANGING FROM 35 TO 50% OF THE TOTAL WEIGHT OF THE MASS, FORMING AGGLOMERATES OF SAID MIXTURE, DRYING THE AGGLOMERATES TO REMOVE WATER AND THE VOLATILE STABILIZER AND COLLECTING THE DRIED AGGLOMERATES.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |