LONDON (Dow Jones)--Byotrol PLC (BYOT.LN), an AIM listed anti-microbial hygiene company, said Wednesday that its joint venture, Byotrol Consumer Products Ltd., has signed a joint development agreement with McBride, to develop a liquid hard surface cleaner targeted at the consumer markets in U.K. and Ireland. MAIN FACTS: -Under the agreement, Byotrol and Robert McBride Ltd, a member of the McBride Group of companies, Europe's leading supplier of Private Label household cleaning and personal care products, will develop and jointly market the product through to the end of the calendar year 2010. -Once the development program is completed, the two firms intend to enter into a license agreement to jointly supply the product to retailers. -In December 2009, Byotrol entered into a six month standstill agreement with a Fortune 150 corporation over exclusive rights to enter into negotiations for the use of Byotrol's technology in the fields of pre-saturated wipes and certain surface care liquids. -This agreement offered the option of a three month extension subject to the payment of further non refundable fees. -The counterparty has taken up their extension rights and will pay Byotrol and BCP $120,000 for the extension. -Shares closed Tuesday at 17.5 pence. -By Tommy Stubbington, Dow Jones Newswires; 44-20-7842-9268; tommy.stubbington@dowjones.com (END) Dow Jones Newswires July 07, 2010 02:51 ET (06:51 GMT)