US3046248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing solid elastomers from uncured liquid organic polythiopolymercaptan polymers
Assignee: COE LAB Inc
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Filing: 1959-06-10
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Granted: 1962-07-24
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Molnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:29
CPC Classifications
C; C08; C08L; C08L81/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
THE METHOD OF PRODUCING A SOLIID ELASSTOMERIC CURED PRODUCT COMPRISING THE STEP OF PREPARING A FIRST MIXTURE CONSISTING ESSENTIALLY OF ABOUT 80 PARTS BY WEIGHT OF CUPRIC HYDROXIDE AS A CURING AGENT, ABOUT 30 PARTS BY WEIGHT OF POWDERED TITANIUM DIOXIDE AS A FILLER AND ABOUT 82 PARTS BY WEIGHT OF A DIBUTYLPHTHALATE AS A PLASTICIZER, A SECOND MIXTURE CONSISTING OF ABOUT 99 PARTS NY WEIGHT OF UNCURED LIQUID ORGANIC POLYTHIOPOLYMMERCAPTAN POLYMERS HAVING AN AVERAGE MOLECULAR WEIGHT OF BETWEEN ABOUT 3000 TO ABOUT 5000, ONE PART BY WEIGHT OF ELEMENTAL SULFUR AS A REACTION PROMOTING AGENT, AND 25 PARTS BY WEIGHT OF POWDERED TITANIUM DIOXIDE AS A FILLER, BLENDING A COMPOSITION CONSISTING OF ABOUT ONE PART BY WEIGHT OF SAID MIXTURE WITH ABOUT TWO PARTS BY WEIGHT OF SAID SECOND MIXTURE, BY INTERMIXING SAID MIXTURES TO FORM SAID BLENDED COMPOSITION, SAID BLENDED COMPOSISTION THEREAFTER CURING TO FORM SAID SOLID ELASTOMERIC PRODUCT AT NOT LESS THAN AMBIENT TEMPERATURE.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |