Derwent World Patent Index Accession No. 94-221536/27 (JP06157008), “Recovery of iodine from waste liq. contg. iodine and/or inorganic iodine cpd.”, 1994, Assignee—Godo Shigen Sangyo KK. |
Derwent World Patent Index Accession No. 94-222581/27 (JP06158372), “Recovery of iodine from waste soln. contg. an organic iodine cpd.”, 1994, Assignee—Godo Shigen Sangyo KK. |
Derwent World Patent Index Accession No. 94-206106/25 (JP06144802), “Recovery of iodine from waste liq. contg. organic iodine cpd.”, 1994, Assignee—Gido Shigen Sangyo KK. |
Derwent World Patent Index Accession No. 93-174450/21 (SU1738752), “Extn. of iodine from aq. waste or brine”, 1993, Ignatova et al., Assignee—Crimea Iodobrom Res. Prodn. Assoc. |