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LT - Akroleino gavimo būdas katalitiškai oksiduojant dujinį propileną
EN - PROCESS FOR PREPARING ACROLEIN BY CATALYTIC OXIDATION OF GASEOUS PROPYLENE

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Patent lapsed (non-payment of fees)

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Patent application specification | Search report | Patent specification (0.84 Mb)
Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B01J 23/76
B01J 27/14
B01J 35/00
C07B 61/00
C07C 45/00
C07C 47/20
Patent
(11) Number of the document 3680
(13) Kind of document B
(21) Application number IP1449
(22) Date of filing the application 1993-11-09
(41) Date of publication of the application 1995-05-25
(45) Date of publication of patent 1996-01-25
Priority applications
(30) Number Date Country code
39 30 534.1 1989-09-13 DE
4831015 1990-09-12 SU
Applicant
(71) Degussa Aktiengesellschaft, Weissfrauenstrasse 9, 6000 Frankfurt (Main) 1, DE
Inventors
(72) Wolfgang BOECK, DE
Dietrich ARNTZ, DE
Guenter PRESCHER, DE
Werner BURKHARDT, DE
Grantee
(73) Degussa Aktiengesellschaft, Weissfrauenstrasse 9, 6000 Frankfurt (Main) 1, DE
Attorney or representative
(74) Rita LAURINAVIČIŪTĖ, Gedimino pr. 45-6, LT-01109 Vilnius, LT
Title
(54) PROCESS FOR PREPARING ACROLEIN BY CATALYTIC OXIDATION OF GASEOUS PROPYLENE
Last renewal fee
Payment date Validity (years) Amount
1996-10-31 4 80.00 USD
Legal status
Patent lapsed (non-payment of fees)
Invalidation date 1997-11-09
Last update date 2006-12-08