Gentre Laboratories Inc., a Laguna Hills-based drug...

Gentre Laboratories Inc., a Laguna Hills-based drug manufacturing and marketing company, said it has acquired Irvine-based Forcon Technology in a deal valued at more than $10 million. Forcon is a pharmaceutical research firm specializing in skin-patch drug delivery systems. Gentre officials have applied for Food and Drug Administration approval to market skin-patch devices for a variety of purposes, including weight loss and sun tanning. FDA officials said Gentre is under investigation for claims made about several of its products.