US3281380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of promoting low hysteresis of rubber using 3, 3'-p-phenylenebis (iminomethylene) bis (2-thiazolinethiones)
Assignee: Monsanto Co
•
Filing: 1965-02-17
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Granted: 1966-10-25
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Expires: 1985-02-17
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS WHICH COMPRISES MIXING A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER HOMOPOLYMERS OF ALIPHATIC CONJUGATED DIOLEFIN HYDROCARBONS, SYNTHETIC RUBBERY COPOLYMERS CONTAINING AT LEAST 50% OF AN ALIPHATIC CONJUGATED DIOLEFIN HYDROCARBON COPOLYMERIZED WITH CORRERSPONDINGLY NOT MORE THAN 50% OF A COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, CHLORINATED BUTYL RUBBER, BUTYL RUBBER BEING A COPOLYMER OF A LARGE PROPORTION OF AN ISOMONOOLEFIN AND A SMALL PROPORTION OF A DIOLEFIN, AND MIXTURES OF SUCH RUBBERS, WITH A RELATIVELY LARGE AMOUNT OF RUBBER REINFORCING PIGMENT AND A SMALL AMOUNT EFFECTIVE TO REDUCE INTERNAL FRICTION OF THE VULCANIZATE OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
103 words
A PROCESS WHICH COMPRISES MIXING A RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, SYNTHETIC RUBBER HOMOPOLYMERS OF ALIPHATIC CONJUGATED DIOLEFIN HYDROCARBONS, SYNTHETIC RUBBERY COPOLYMERS CONTAINING AT LEAST 50% OF AN ALIPHATIC CONJUGATED DIOLEFIN HYDROCARBON COPOLYMERIZED WITH CORRERSPONDINGLY NOT MORE THAN 50% OF A COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, CHLORINATED BUTYL RUBBER, BUTYL RUBBER BEING A COPOLYMER OF A LARGE PROPORTION OF AN ISOMONOOLEFIN AND A SMALL PROPORTION OF A DIOLEFIN, AND MIXTURES OF SUCH RUBBERS, WITH A RELATIVELY LARGE AMOUNT OF RUBBER REINFORCING PIGMENT AND A SMALL AMOUNT EFFECTIVE TO REDUCE INTERNAL FRICTION OF THE VULCANIZATE OF A COMPOUND HAVING THE FORMULA
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |