rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Hence, a 20-year period of the patent usually gives manufacturers a chance to recoup the cost of developing a new drug. When a drug patent expires, any pharmaceutical company can manufacture and sell the drug. A drug, which is produced and distributed without patent protection is called a generic drug.
Just a suggestion...In the sentance, Patents are good for 20 years after the invention of a drug--not after the drug comes to market, this should actually be worded more specific, stating that the patent would actually begin when the patent is applied for.ust a suggestion...In the sentance, Patents are good for 20 years after the invention of a drug--not after the drug comes to market, this should actually be worded more specific, stating that the patent would actually begin when the patent is applied for.