Persian cat since the early 1990s and the Persian lost its top spot to the British Shorthair in 2001. As of 2012, it was the 6th most popular breed, behind the British Shorthair, Ragdoll, Siamese, Maine Coon and Burmese. In France, the Persian is the only breed whose registration declined between 2003 and 2007, dropping by more than a quarter. The most color popular varieties according to CFA registration data are seal point, blue point, flame point and tortie point Himalayan, followed by black-white, shaded silvers and calico. The breed standards of various cat fancier organizations may treat the Himalayan and Exotic
Pour point depressant oils contain polyaromatic hydrocarbons and resins which act as antagonists against synthetic pour point depressants. Pour point depressants are also ineffective for engine oils with a viscosity above SAE 30. Generally they are most effective on thinner oils like SAE 10, SAE 20 or SAE 30 grade oils. Alkylaromatics and aliphatic polymers are two types of pour point depressants that are commercially available. Most commercially available pour point depressants are organic polymers, but nonpolymeric substances such as phenyltristearyloxysilane and pentaerythritol tetrastearate may also be effective. In 1981 there was a problem with lubricating oil pumpability. The same thing happened the