UK Stocks-Factors to watch on August 2

Aug 2 (Reuters) - Britain's FTSE 100 index is seen opening 12 points higher at 7435.3 on Wednesday, according to financial spreadbetters. * UNILEVER: Unilever, has invested in the German start-up Helping, a website for booking home cleaners, its latest effort to test new businesses as technology changes ways of selling packaged goods. OIL: Oil prices fell 1 percent on Wednesday, with rising U.S. fuel inventories pulling U.S. crude back below $50 per barrel, while ongoing high O