US3253932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold release agent
Assignee: Ethyl Corp
•
Filing: 1963-03-25
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Granted: 1966-05-31
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Roy A White
- 👤 Rudolph D Deanin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:46
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/18; C09D123/24; B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C33/62; C08; C08K; C08K5/00; C08K5/0008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A COMPOSITION ADAPTED FOR USE AS A MOLD RELEASE AGENT CONSISTING OF A POLYMER OF AN ALPHA OLEFINIC HYDROCARBON SAID POLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 1000 UP TO ABOUT 45,000 AND HAVING IN THE MONOMER MOLECULE FROM ABOUT 16 TO ABOUT 34 CARBON ATOMS AND AN INERT ORGANIC DILUENT HAVING A BOILING POINT OF FROM ABOUT -80*C. TO ABOUT 200*C. AND A MELTING POINT OF BELOW ABOUT 25*C., SAID POLYMER BEING ASSOCIATED WITH SAID DILUENT IN A CONCENTRATION OF ABOUT 0.01 TO ABOUT 10 WEIGHT PERCENT, THE BALANCE OF SAID COMPOSITION BEING DILUENT, SAID DILUENT BEING MAINTAINED IN THE LIQUID STATE OF AGGREGATION.
Claim 2
Dependent Claim
109 words
A COMPOSITION ADAPTED FOR USE AS A MOLD RELEASE AGENT CONSISTING OF A POLYMER OF AN ALPHA OLEFINIC HYDROCARBON SAID POLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE OF FROM ABOUT 1000 UP TO ABOUT 45,000 AND HAVING IN THE MONOMER MOLECULE FROM ABOUT 16 TO ABOUT 34 CARBON ATOMS AND AN INERT ORGANIC DILUENT HAVING A BOILING POINT OF FROM ABOUT -80*C. TO ABOUT 200*C. AND A MELTING POINT OF BELOW ABOUT 25*C., SAID POLYMER BEING ASSOCIATED WITH SAID DILUENT IN A CONCENTRATION OF ABOUT 0.01 TO ABOUT 10 WEIGHT PERCENT, THE BALANCE OF SAID COMPOSITION BEING DILUENT, SAID DILUENT BEING MAINTAINED IN THE LIQUID STATE OF AGGREGATION.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |