US3240746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of water from solid elastomers
Assignee: Phillips Petroleum Co
•
Filing: 1962-02-19
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Granted: 1966-03-15
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Charles L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/06; B29K; B29K2021/00; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
IN A PROCESS WHEREIN A WATER SLURRY OF AN ELASTOMER COAGULUM HAVING A WATER CONTENT IN EXCESS OF 50 WEIGHT PERCENT IS MECHANICALLY DEWARTERED, THE IMPROVEMENT COMPRISING ADDING ABOUT 0.1 TO 0.5 PART OF TALC PER 100 PARTS
Claim 2
Dependent Claim
38 words
IN A PROCESS WHEREIN A WATER SLURRY OF AN ELASTOMER COAGULUM HAVING A WATER CONTENT IN EXCESS OF 50 WEIGHT PERCENT IS MECHANICALLY DEWARTERED, THE IMPROVEMENT COMPRISING ADDING ABOUT 0.1 TO 0.5 PART OF TALC PER 100 PARTS
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |