Patent US3099648A successfully refreshed from Google Patents.
US3099648A
Expired / Lapsed
US
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Rosin acid catalyst inactivator
Assignee: Phillips Petroleum Co
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Filing: 1960-07-25
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Granted: 1963-07-30
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert F Dye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:56
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F136/00; C08F136/02; C08F136/04; C08F136/06; B; B01; B01J; B01J2219/00; B01J2219/00002; B01J2219/00027; B01J2219/0004; B01J2219/00049; B01J2219/00245; B01J2219/00272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CONTINUOUS POLYMERIZATION PROCESS WHUCH COMPRISES CONTACTING CONJUGATED DIENE IN LIQUID DILUENT WITH A CATALYST WHICH FORMS ON MIXING COMPONENTS COMPRISING A COMPOUND SELECTED FRON THE GROUP CONSUISTING OF ORGABOMETALS AND METAL HYDRIDES OF GROUPS I, II AND III METALS AND A HALIDE OF A GROUP IV METAL UNDER CONDITIONS TO POLYMERIZE A PORTION OF SAID CONJUGATED DIENE, ADDING TO THE PROCESS EFFLUENT ROSIN ACID TO INACTIVATE SAID CATAKYST, THREAFTER VAPORIZING A PORTION OF SAID EFFLUENT TO FORM A VAPOR STREAM CONTAINING DILUENT AND UNREACTED CONJUGATED DIENE ESSENTIALLY FREE OF CATALYST POISON, AND RETURNING AT LEAST A PORTION OF SAID STREAM TO THE POLYMERIZATION PROCESS.
Claim 2
Dependent Claim
105 words
A CONTINUOUS POLYMERIZATION PROCESS WHUCH COMPRISES CONTACTING CONJUGATED DIENE IN LIQUID DILUENT WITH A CATALYST WHICH FORMS ON MIXING COMPONENTS COMPRISING A COMPOUND SELECTED FRON THE GROUP CONSUISTING OF ORGABOMETALS AND METAL HYDRIDES OF GROUPS I, II AND III METALS AND A HALIDE OF A GROUP IV METAL UNDER CONDITIONS TO POLYMERIZE A PORTION OF SAID CONJUGATED DIENE, ADDING TO THE PROCESS EFFLUENT ROSIN ACID TO INACTIVATE SAID CATAKYST, THREAFTER VAPORIZING A PORTION OF SAID EFFLUENT TO FORM A VAPOR STREAM CONTAINING DILUENT AND UNREACTED CONJUGATED DIENE ESSENTIALLY FREE OF CATALYST POISON, AND RETURNING AT LEAST A PORTION OF SAID STREAM TO THE POLYMERIZATION PROCESS.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |