Church & Dwight Co., Inc., Princeton, NJ, today reported that net income increased 20% in 2003 to $81.0 million from $66.7 million the previous year. Full-year sales increased 0.9% to of $1,056.9 million. Executives said excluding oral care acquisitions from Unilever, sales were flat. At the product line level, laundry, specialty products and international sales were all higher, while deodorizers were flat, and cleaners and personal care sales were lower than in the previous year.Combined g...