US3144348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adduct of thioglycolic acid and polyethylene wax, emulsions thereof, and method of preparing same
Assignee: Union Carbide Corp
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Filing: 1961-01-23
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Granted: 1964-08-11
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Robert J Turbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:37
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
METHOD FOR PREPARING MODIFIED POLYETHYLENE WAX EMULSIFIABLE TO STABLE, FINE PARTICLE SIZE EMULSIONS COMPRISING CONTACTING IN THE LIQUID PHASE A POLYETHYLENE WAX HAVING FROM 0.5 TO 3.0% TERMINAL VINYL GROUPS BY WEIGHT AND A MOLECULAR WEIGHT OF FROM 1000 TO ABOUT 5000 WITH THIOGLYCOLIC ACID AT A TEMPERATURE ABOVE ABOUT 25*C., UNTIL AT LEAST 25% OF SAID VINYL GROUPS HAVE REACTED WITH THE THIOGLYCOLIC ACID.
Claim 2
Dependent Claim
65 words
METHOD FOR PREPARING MODIFIED POLYETHYLENE WAX EMULSIFIABLE TO STABLE, FINE PARTICLE SIZE EMULSIONS COMPRISING CONTACTING IN THE LIQUID PHASE A POLYETHYLENE WAX HAVING FROM 0.5 TO 3.0% TERMINAL VINYL GROUPS BY WEIGHT AND A MOLECULAR WEIGHT OF FROM 1000 TO ABOUT 5000 WITH THIOGLYCOLIC ACID AT A TEMPERATURE ABOVE ABOUT 25*C., UNTIL AT LEAST 25% OF SAID VINYL GROUPS HAVE REACTED WITH THE THIOGLYCOLIC ACID.
References Cited (Backward Citations)
US2766214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |