US3030322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mixing polymeric hydrocarbons and waxes
Assignee: Eastman Kodak Co
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Filing: 1957-12-12
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Granted: 1962-04-17
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Expires: 1977-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert J Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:38
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/205; C08J3/21; C08J2323/00; C08J2323/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN THE PROCESS FOR THE PRODUCTION OF A HOMOGENEOUS MIXTURE OF WAX AND SOLID POLYMERIC HYDROCARBON WHEREIN AN A-MONOOLEFINICALY, UNSATURATED, ALIPAHTIC HYDROCARBON AT A SUPERATMOSPHERIC PRESSURE, AND POLYMER THUS FORMED AND WAX ARE HOMOGENIZED TO FORM AN INTIMATE ADMIXTURE THE IMPROVEMENT WHICH COMPRISES INTRODUCING MOLTEN WAX TO SAID POLYMER IN THE PRESENCE OF UNPOLYMERIZED, A-MONOOLEFINICALLY, UNSTURATED, ALIPAHTIC HYDROCARBON AND REDUCING THE PRESSURE ON RESULTING MIXTURE WHEREBY UNPOLYMERIZED, A-MONOOLEFINICALLY, UNSATURATED, ALIPHATIC HYDROCARBON IN SAID MIXTURE IS VAPORIZED AND AGITATES SAID MIXTURE.
Claim 2
Dependent Claim
80 words
IN THE PROCESS FOR THE PRODUCTION OF A HOMOGENEOUS MIXTURE OF WAX AND SOLID POLYMERIC HYDROCARBON WHEREIN AN A-MONOOLEFINICALY, UNSATURATED, ALIPAHTIC HYDROCARBON AT A SUPERATMOSPHERIC PRESSURE, AND POLYMER THUS FORMED AND WAX ARE HOMOGENIZED TO FORM AN INTIMATE ADMIXTURE THE IMPROVEMENT WHICH COMPRISES INTRODUCING MOLTEN WAX TO SAID POLYMER IN THE PRESENCE OF UNPOLYMERIZED, A-MONOOLEFINICALLY, UNSTURATED, ALIPAHTIC HYDROCARBON AND REDUCING THE PRESSURE ON RESULTING MIXTURE WHEREBY UNPOLYMERIZED, A-MONOOLEFINICALLY, UNSATURATED, ALIPHATIC HYDROCARBON IN SAID MIXTURE IS VAPORIZED AND AGITATES SAID MIXTURE.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |