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US3311596A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the production of polymers of alpha-olefins

Assignee: BASF SE
•
Filing: 1963-04-19
•
Granted: 1967-03-28
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Expires: 1983-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 Berding Christoph
  • 👤 Hofmann Hermann Pankraz
  • 👤 Kutepow Nikolaus Von
  • 👤 Naarmann Herbert
  • 👤 Reis Hermann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:28
CPC Classifications
C; C08; C08F; C08F12/00; C08F12/02; C08F12/04; C08F12/06; C08F12/08; C08F36/00; C08F36/02; C08F36/04; C08F4/00; C08F4/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 95 words
A PROCESS FOR THE PRODUCTION OF A POLYMER OF AN AOLEFINE WHICH COMPRISES CONTACTING AN A-OLEFINE WITH 2 TO 10 CARBON ATOMS AND 1 TO 2 OLEFINIC DOUBLE BONDS WITH A SINGLE ACTIVE CATALYST CONSISTING OF AT LEAST ONE METAL CHELATE COMPOUND OF (A) A METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IVB, VB, VIB, VIIB AND VIII OF THE PERIODIC SYSTEM, AND (B) A COMPOUND CAPABLE OF FORMING A CHELATE COMPLEX SELECTED FROM THE GROUP CONSISTING OF B-DIKETONES, B-KETOCARBOXYLIC ESTERS, ACETYLACETONIMIDE, SALICYLALDEHYDE, CHLOROMALONDIALDEHYDE, A-HYDROXYPROPIONIC ACID, DIHYDROXYMALONIC ACID, HISTIDINE AND 1,3DIAMINOBUTYRIC ACID.
Claim 2
Dependent Claim 95 words
A PROCESS FOR THE PRODUCTION OF A POLYMER OF AN AOLEFINE WHICH COMPRISES CONTACTING AN A-OLEFINE WITH 2 TO 10 CARBON ATOMS AND 1 TO 2 OLEFINIC DOUBLE BONDS WITH A SINGLE ACTIVE CATALYST CONSISTING OF AT LEAST ONE METAL CHELATE COMPOUND OF (A) A METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IVB, VB, VIB, VIIB AND VIII OF THE PERIODIC SYSTEM, AND (B) A COMPOUND CAPABLE OF FORMING A CHELATE COMPLEX SELECTED FROM THE GROUP CONSISTING OF B-DIKETONES, B-KETOCARBOXYLIC ESTERS, ACETYLACETONIMIDE, SALICYLALDEHYDE, CHLOROMALONDIALDEHYDE, A-HYDROXYPROPIONIC ACID, DIHYDROXYMALONIC ACID, HISTIDINE AND 1,3DIAMINOBUTYRIC ACID.

References Cited (Backward Citations)

US3081287A Cited
US3067181A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-27 1970-09-26 1971-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-27 1974-09-26 1975-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-27 1978-09-26 1979-03-28 $7700.00 Window Closed / Lapsed

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