ATE67498T1
(en )
1991-10-15
PROCESS FOR SEPARATION OF FOLIN ACID.
ATA153487A
(en )
1992-04-15
METHOD FOR RECOVERY OR RECOVERY OF ACID FROM METAL SOLUTIONS OF THIS ACID
ATE102201T1
(en )
1994-03-15
PROCESS FOR SEPARATION OF FOLIN ACID.
DE58906257D1
(en )
1994-01-05
Process for the separation of interfering elements from valuable metal electrolyte solutions.
DE3579430D1
(en )
1990-10-04
METHOD FOR PRODUCING METHACRYLIC ACID.
DE3672942D1
(en )
1990-08-30
METHOD FOR THE PRODUCTION OF TETRAFLUORBENZOIC ACID.
DE3486207D1
(en )
1993-10-07
Process for the separation of 2-chloro-m-xylene.
DE3776485D1
(en )
1992-03-12
METHOD FOR PRODUCING METHACRYLIC ACID.
ATE86618T1
(en )
1993-03-15
PROCESS FOR SEPARATION OF ALDEHYDE IMPURITIES FROM ETHYLENE OXIDE.
DE68910024T2
(en )
1994-03-31
Process for the production of methacrylic acid.
DE68901392D1
(en )
1992-06-11
METHOD FOR SEPARATING OPTICALLY ACTIVE (+ -) - 2-HYDROXY-4-PHENYLBUTTERIC ACID.
DE3874667T2
(en )
1993-03-25
METHOD FOR PURIFYING METHACRYLIC ACID.
DE3862054D1
(en )
1991-04-25
METHOD FOR PRODUCING TRIFLUORMETHANESULPHONIC ACID.
DE3886770D1
(en )
1994-02-10
METHOD FOR DEPOSITING ANTIMONE FROM ACID SOLUTIONS.
DE69014482T2
(en )
1995-04-20
Process for the extraction of nitric acid.
ATE99266T1
(en )
1994-01-15
PROCESS FOR SEPARATION OF ANTIMONY FROM ACID SOLUTIONS.
DE59002095D1
(en )
1993-09-02
METHOD FOR RECOVERY OF SULFURIC ACID.
DE3874507D1
(en )
1992-10-15
METHOD FOR SEPARATING DICHLORCUMOLISOMERS.
ATA176387A
(en )
1990-04-15
METHOD FOR SEPARATING NICKELIONS FROM AQUEOUS SOLUTIONS
DE3680284D1
(en )
1991-08-22
METHOD FOR RETURNING SULFURIC ACID FROM THICKEN ACID.
DE68911606D1
(en )
1994-02-03
Process for removing cadmium from solutions containing phosphoric acid.
ATA220282A
(en )
1989-06-15
METHOD FOR PRODUCING ISOBUTTERIC ACID FROM ISOBUTYRYLFLUORIDE
DE3851942D1
(en )
1994-12-01
Process for the production of optically active alpha-isopropyl-p-chlorophenylacetic acid.
DE3766371D1
(en )
1991-01-10
METHOD FOR PRODUCING HYDROXYLAMINE-O-SULPHONIC ACID.
DE3862402D1
(en )
1991-05-23
METHOD FOR THE PRODUCTION OF 2,3,5,6-TETRAFLUORBENZOESIC ACID.