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LT - Išmetamų dujų nuo fenolio ir formaldehido valymo būdas
EN - METHOD FOR PURIFICATION OF WASTE GAS FROM PHENOL AND FORMALDEHYDE

Legal status

Patent lapsed (non-payment of fees)

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B01D 53/14
Patent
(11) Number of the document 4250
(13) Kind of document B
(21) Application number 96-024
(22) Date of filing the application 1996-03-05
(41) Date of publication of the application 1997-09-25
(45) Date of publication of patent 1997-11-25
Applicant
(71) Termoizoliacijos institutas, Linkmenų g. 28, 2600 Vilnius, LT
Inventors
(72) Renė UGINČIENĖ, LT
Vanda MACEIKIENĖ, LT
Kęstutis EIDUKEVIČIUS, LT
Grantee
(73) Termoizoliacijos institutas, Linkmenų g. 28, 2600 Vilnius, LT
Attorney or representative
(74)
Title
(54) METHOD FOR PURIFICATION OF WASTE GAS FROM PHENOL AND FORMALDEHYDE
Last renewal fee
Payment date Validity (years) Amount
1997-10-20 3 43.00 LTL
Legal status
Patent lapsed (non-payment of fees)
Invalidation date 1999-03-05