US3007909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of olefins
Assignee: Henkel AG and Co KGaA
•
Filing: 1957-09-18
•
Granted: 1961-11-07
•
Expires: 1977-09-18
Abstract
No abstract record available.
Inventors
- 👤 Raecke Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
C; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
THE METHOD OF POLYMERIZING LOWER ALKENES TO PRODUCE PREDOMINATELY SOLID POLYMERS WHICH COMPRISES HEATING SAID ALKENES IN AN INERT ATMOSPHERE TO A TEMPERATURE UPWARD OF 100*C. AT A PRESSURE OF AT LEAST 20 ATMOSPHERES GAUGE IN THE PRESENCE OF A CATALYST COMPOSITION SELECTED FROM THE GROUP CONSISTING OF (1) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ORGANIC HALOGEN COMPOUND; (2) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, WATER; (3) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; (4) ALUMINUM, TITANIUM TETRAHALIDE, AND AS AN ACTIVATING AGENT, WATER; (5) ALUMINUM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; (6) ALUMINUM AMALGAM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, WATER; AND (7) ALUMINUM AMALGAM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; SAID TITANIUM TETRAHALIDE BEING PRESENT IN A RATIO OF 0.5 TO 3 PARTS BY WEIGHT, PER PART BY WEIGHT OF THE ALUMINUM COMPOUND, AND SAID ACTIVATING AGENT BEING PRESENT FROM AB OUT 0.2% TO ABOUT 2.0% BY WEIGHT OF THE CATALYST MIXTURE.
Claim 2
Independent Claim
172 words
THE METHOD OF POLYMERIZING LOWER ALKENES TO PRODUCE PREDOMINATELY SOLID POLYMERS WHICH COMPRISES HEATING SAID ALKENES IN AN INERT ATMOSPHERE TO A TEMPERATURE UPWARD OF 100*C. AT A PRESSURE OF AT LEAST 20 ATMOSPHERES GAUGE IN THE PRESENCE OF A CATALYST COMPOSITION SELECTED FROM THE GROUP CONSISTING OF (1) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ORGANIC HALOGEN COMPOUND; (2) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, WATER; (3) ALUMINUM CARBIDE, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; (4) ALUMINUM, TITANIUM TETRAHALIDE, AND AS AN ACTIVATING AGENT, WATER; (5) ALUMINUM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; (6) ALUMINUM AMALGAM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, WATER; AND (7) ALUMINUM AMALGAM, TITANIUM TETRAHALIDE AND, AS AN ACTIVATING AGENT, AN ALCOHOL; SAID TITANIUM TETRAHALIDE BEING PRESENT IN A RATIO OF 0.5 TO 3 PARTS BY WEIGHT, PER PART BY WEIGHT OF THE ALUMINUM COMPOUND, AND SAID ACTIVATING AGENT BEING PRESENT FROM AB OUT 0.2% TO ABOUT 2.0% BY WEIGHT OF THE CATALYST 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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |