The Gazette of Pakistan Karachi Friday May 9 1952

Unga Limited.-Improvements in the baking of bread and in the ;preparation of flour therefor. [...] Application Accepted Notice is hereby given that all persons interested in opposing the grant of patents on any of the appl'ctions referred to below may at any time within four months of the date of this Gazette of Pakistan give notice at the Patent Office in the prescribed form No. [...] Consisting of a base a turntable an oscillating yarn selector attached to the turntable and a ring fitted at the centre of the turntable a bobbin capable of rottion mounted on the turntable for winding up the braid. [...] Characterised in that the reaction chamber is bounded on the inlet side of reaction media by a cooled metal housing and the walls of the reaction chamber consists of a refractory-ceramic material. [...] Preparation of triazine derivatives comprises interaction of a biguanide of the formula Ar — NH — C — NH — C — NA1-3 ff NH NH with an aldehyde or ketone of the formula RR'C=O in presence of at least one molecular proportion of an acid wherein Ar stands for an aromatic residue and A B R and R' stand for hydrogen or for hydrocarbon.