This process is identical to one of the techniques for making decaffeinated coffee. Among its subsidiaries was Sanka, the company which manufactured decaffeinated coffee. Businesses that serve rival Folgers decaffeinated coffee usually have green-handled pots. "Maxwell House Instant Decaffeinated Coffee" came to store shelves in 1985. Therefore, only a small percentage of decaffeinated coffee available on the market uses this method. Decaffeinated coffee beans have a residual caffeine content of about 0.1% on a dry basis. Decaffeinated coffee should be 0.1 percent caffeine, or 0.3 percent caffeine for instant coffee.