Whittaker Corp. said it has entered an...

Whittaker Corp. said it has entered an agreement in principle to sell its Heico Chemicals division to Cambrex Corp . . . International Paper and Ciba-Geigy AG, Basel, Switzerland, said the previously announced purchase of the Ilford Group by International Paper has been completed. The terms of the sale were not disclosed . . . Carl Hirsch, chairman of Legacy Broadcasting, has invested between $5 million and $10 million for a “substantial” stake of less than 25% in film and home video producer KVC/Atlantic Inc. . . . Sales of Riverside County crops--ranging from citrus and vegetables to field crops, honey, trout and nursery products--topped the billion-dollar mark for the first time last year, at $1.18 billion.