Ms. Verner did not explain why current guidelines that ban makers of pornographic films, among other things, from even applying for grants were inadequate.
This year, it was announced that Google would be teaming up with Ray-Ban maker Luxottica, though the new styles would not be available until 2015.
Manufacturers are playing a cat-and-mouse game with authorities: Every time one chemical gets banned, makers substitute another chemical, chemically virtually identical in its composition and effects, to circumvent a ban.
The legislation, which will be introduced to parliament in July, would ban cigarette makers from printing their logos, promotional text or colourful images on packs.
The other banned garment maker in the recent customs records, Simco Dresses, was blacklisted in January.
In fact, Ray-Ban sunglasses maker Luxottica recently announced that it has finalized a strategic partnership with Google over its Glass eyewear that could pave the way for a new look and market in smart glasses.
Mr. Blackmon, in a phone interview, said he had not heard about any other instance of his book's being banned, though makers of a documentary based on it were prevented from filming in one Alabama town by the mayor and city attorney.
The LGA says that when one product is banned the makers change the chemical compound slightly and can then sell it legally in shops - dubbed "headshops".
Protonique SA, a Swiss circuit-board maker, banned it for its workers, who used a form of the chemical that was less toxic than that inhaled by Royale workers.
China may ban Japan's largest maker of mobile phones, the Matsushita Communication Industrial Company, from making and selling its mobile phones in China for a year because the company's Panasonic handsets referred to Taiwan as the Republic of China.
