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LT - Šakoti paviršiaus aktyvūs eteriai ir jų panaudojimas patobulintame naftos išgavimo procese
EN - BRANCHED ETHER SURFACTANTS AND THEIR USE IN AN ENHANCED OIL RECOVERY PROCESS

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Patent application specification (0.63 Mb) | Search report | Patent specification
Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B01F 17/00
C09K 8/58
Patent
(11) Number of the document
(13) Kind of document A
(21) Application number IP1538
(22) Date of filing the application 1993-12-07
(41) Date of publication of the application 1995-06-26
(45) Date of publication of patent
Priority applications
(30) Number Date Country code
901490 1990-04-02 NO
PCT/EP91/00616 1991-04-02 WO
Applicant
(71) Den norske stats oljeselskap a. s., Forus, P. O. Box 300, N-4001 Stavanger, NO
BEROL NOBEL AB, S-444 85 Stenungsund, SE
Inventors
(72) Eimund GILJE, NO
Clas SONESSON, SE
Per Erik HELLBERG, SE
Krister HOLMBERG, SE
Stig SVENNBERG, SE
Grantee
(73) Den norske stats oljeselskap a. s., Forus, P. O. Box 300, N-4001 Stavanger, NO
BEROL NOBEL AB, S-444 85 Stenungsund, SE
Attorney or representative
(74) Reda ŽABOLIENĖ, METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius, LT
Title
(54) BRANCHED ETHER SURFACTANTS AND THEIR USE IN AN ENHANCED OIL RECOVERY PROCESS
Last update date 2021-10-22