US3315009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization process
Assignee: Monsanto Co
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Filing: 1963-07-12
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Granted: 1967-04-18
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 Robert M Engelbrecht
- 👤 James M Schuck
- 👤 Robert G Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:17
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/28; C07C309/33; C07C309/34; C07C309/35; C07C309/36; C07C309/37; B; B01; B01J; B01J27/00; B01J27/20; B01J27/22; C07C11/00; C07C11/02; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; C07C309/29; C07C309/30; C07C309/31; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A PROCESS FOR PREPARING AN OLEFIN FRACTION SUITABLE FOR THE PREPARATION OF BIODEGRADABLE CONTACTING IN A FIRST POLYMERIZATION ZONE NORAMALLY GASEOUS ALPHA MONO-OLEFIN HYDROCARBONS AT A TEMPERATURE OF 0 TO 200*C. AND A PESSURE OF ATMOSPHERIC TO 2500 P.S.I.G. WITH AN ACTIVATED CARBON SUPPORTED COBALT OXIDE CATALYST ACTIVATED AT A TEMPERATURE OF 200 TO 350*C. TO FORM A POLYMER FRACTION, SEPARATING SAID POLYMER FRACTION TO OBTAIN A FRACTION COMPRISED OF RELATIVELY LINEAR DIMERS OF THE NORMALLY GASEOUS MONO-OLEFIN HYDROCARBONS, SAID DIMERS BEING OF 4 TO 8 CARBON ATOMS, CONTACTING SAID RELATIVELY LINEAR DIMER FRACTION IN A SECOND POLYMERIZATION ZONE AT A TEMPERATURE OF 50 TO 250*C. AND A PRESSURE OF ATMOSPHERIC TO 2500 P.S.I.G. WITH AN ACTIVATED CARBON SUPPORTED COBALT OXIDE CATALYST ACTIVATED AT A TEMPERATURE OF 400 TO 575* C. TO FORM A SECOND POLYMER FRACTION, SEPARATING SAID SECOND POLYME FRACTION TO OBTAIN A FRACTION COMPRISED OF RELATIVELY LINEAR MONO-OLEFIN DIMERS OF 8 TO 16 CARBON ATOMS, SAID RELATIVELY LINEAR MONO-OLFIN DIMERS BEING SUITABLE FOR THE PREPARATION OF BIODEGRADABLE ALKYL-AROMATIC COMPOUNDS.
Claim 2
Dependent Claim
172 words
A PROCESS FOR PREPARING AN OLEFIN FRACTION SUITABLE FOR THE PREPARATION OF BIODEGRADABLE CONTACTING IN A FIRST POLYMERIZATION ZONE NORAMALLY GASEOUS ALPHA MONO-OLEFIN HYDROCARBONS AT A TEMPERATURE OF 0 TO 200*C. AND A PESSURE OF ATMOSPHERIC TO 2500 P.S.I.G. WITH AN ACTIVATED CARBON SUPPORTED COBALT OXIDE CATALYST ACTIVATED AT A TEMPERATURE OF 200 TO 350*C. TO FORM A POLYMER FRACTION, SEPARATING SAID POLYMER FRACTION TO OBTAIN A FRACTION COMPRISED OF RELATIVELY LINEAR DIMERS OF THE NORMALLY GASEOUS MONO-OLEFIN HYDROCARBONS, SAID DIMERS BEING OF 4 TO 8 CARBON ATOMS, CONTACTING SAID RELATIVELY LINEAR DIMER FRACTION IN A SECOND POLYMERIZATION ZONE AT A TEMPERATURE OF 50 TO 250*C. AND A PRESSURE OF ATMOSPHERIC TO 2500 P.S.I.G. WITH AN ACTIVATED CARBON SUPPORTED COBALT OXIDE CATALYST ACTIVATED AT A TEMPERATURE OF 400 TO 575* C. TO FORM A SECOND POLYMER FRACTION, SEPARATING SAID SECOND POLYME FRACTION TO OBTAIN A FRACTION COMPRISED OF RELATIVELY LINEAR MONO-OLEFIN DIMERS OF 8 TO 16 CARBON ATOMS, SAID RELATIVELY LINEAR MONO-OLFIN DIMERS BEING SUITABLE FOR THE PREPARATION OF BIODEGRADABLE ALKYL-AROMATIC COMPOUNDS.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |