US3238265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of oligomers of 1, 3-dienes
Assignee: BASF SE
•
Filing: 1961-09-14
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Granted: 1966-03-01
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Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Mueller Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:21
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/02; B01J31/0234; B01J31/0255; B01J31/0257; B01J31/0259; B01J31/0262; B01J31/0264; B01J31/0267; B01J31/12; B01J31/122; B01J31/14; B01J31/143; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/26; C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2/50; C07C2/52; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/324; B01J2231/326; B01J2231/328; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; B01J31/24; B01J31/2404; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/08; C07C2523/10; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/16; C07C2531/22; C07C2531/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
109 words
IN A PROCESS FOR THE PRODUCTION OF LOWER OLIGOMERS OF 1,3-DIENES THE IMPROVEMENT WHICH COMPRISES USING A CATALYST WHICH HAS BEEN FORMED BY MIXING IN ANY SEQUENCE: (A) A NICKEL (II) COMPOUND, (B) A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS I, IIA AND IIIA AND THE LANTHANIDE GROUP OF THE PERIODIC SYSTEM, AND (C) AN ORGANIC COMPOUND OF ANELEMENT OF GROUP VA OF THE PERIODIC SYSTEMWITH AN ATOMIC WEIGHT OF AT LEAST 30, SAID ORGANIC COMPOUND BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHINES, PHOSPHINE OXIDES,ARSINES, STIBINES, PHOSPHOROUS ACID ESTERS, THIOPHOSPHOROUS ACID ESTERS AND PHOSPHOROUS ACID TRIAMINES SUBSTITUTED BY ORGANIC RADICALS.
Claim 2
Dependent Claim
109 words
IN A PROCESS FOR THE PRODUCTION OF LOWER OLIGOMERS OF 1,3-DIENES THE IMPROVEMENT WHICH COMPRISES USING A CATALYST WHICH HAS BEEN FORMED BY MIXING IN ANY SEQUENCE: (A) A NICKEL (II) COMPOUND, (B) A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS I, IIA AND IIIA AND THE LANTHANIDE GROUP OF THE PERIODIC SYSTEM, AND (C) AN ORGANIC COMPOUND OF ANELEMENT OF GROUP VA OF THE PERIODIC SYSTEMWITH AN ATOMIC WEIGHT OF AT LEAST 30, SAID ORGANIC COMPOUND BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHINES, PHOSPHINE OXIDES,ARSINES, STIBINES, PHOSPHOROUS ACID ESTERS, THIOPHOSPHOROUS ACID ESTERS AND PHOSPHOROUS ACID TRIAMINES SUBSTITUTED BY ORGANIC RADICALS.
Claim 3
Dependent Claim
101 words
A CATALYST FOR THE OLIGOMERIZATION OF 1,3-DIENES WHICH HAS BEEN OBTAINED BY MIXING IN ANY SEQUENCE: (A) A NICKEL (II) COMPOUND, (B) A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS IA, IIA AND IIIA AND THE LANTHANIDE GROUP OF THE PERIODIC SYSTEM, AND (C) AN ORGANIC COMPOUND OF AN ELEMENT OF GROUP VA OF THE PERIODIC SYSTEM WITH AN ATOMIC WEIGHT OF AT LEAST 30 SAID ORGANIC COMPOUND BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHINES, PHOSPHINE OXIDES, ARSINES, STIBINES, PHOSPHOROUS ACID ESTERS, THIOPHOSPHOROUS ACID ESTERS AND PHOSPHOROUS ACID TRIAMIDES SUBSTITUTED BY ORGANIC RADCALS.
Claim 4
Dependent Claim
101 words
A CATALYST FOR THE OLIGOMERIZATION OF 1,3-DIENES WHICH HAS BEEN OBTAINED BY MIXING IN ANY SEQUENCE: (A) A NICKEL (II) COMPOUND, (B) A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS IA, IIA AND IIIA AND THE LANTHANIDE GROUP OF THE PERIODIC SYSTEM, AND (C) AN ORGANIC COMPOUND OF AN ELEMENT OF GROUP VA OF THE PERIODIC SYSTEM WITH AN ATOMIC WEIGHT OF AT LEAST 30 SAID ORGANIC COMPOUND BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHINES, PHOSPHINE OXIDES, ARSINES, STIBINES, PHOSPHOROUS ACID ESTERS, THIOPHOSPHOROUS ACID ESTERS AND PHOSPHOROUS ACID TRIAMIDES SUBSTITUTED BY ORGANIC RADCALS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |