Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,095 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of Ruabon, North Wales - Works and Registered Office. Telephone: Ruabon 3. Telegrams: "Graesanto Ruabon". London Office at 62 London Wall, EC2. Telephone: London Wall 4613. Telegrams: "Graesanto Ave., London" (1922)
of London, EC4. (1929)
1922 British Industries Fair Advert for Phenols and Cresols; Salicylic Acid, Tech. and B.P.; Saccharin-Monsanto; Intermediates; Disinfectants for all Purposes; Acrosyl (British Lysol). (Stand No. A.19) 
1928 Monsanto took full ownership of the company and formed Monsanto Chemicals with headquarters in London.
1929 Listed Exhibitor - British Industries Fair - additional late entry. Manufacturers of Carbonic Acid, Pure Phenol, Pure Cresols, Cresylic Acids, Chlor Phenols, "Acrosyl" Salicylic Acid (B.P. and Technical), "Aspirgran", etc. (Stand Nos. K.93 and K.102)