Abstract: Water-in-oil and water-n-oil-in-water multiple emulsions and methods of preparation employing polyoxyethylene polyoxypropylene block copolymers added to the inner aqueous phase during preparation of said emulsions. The emulsions are useful in numerous applications including, but not limited to, vaccine adjuvants, pharmaceuticals, cosmetics, foods, and various household and industrial uses.

Abstract: In accordance with the present invention, a method is provided for treating hypothermia and for protecting a human or animal against hypothermia. The present invention relates to a method for protecting a human or animal from damage during hypothermia such as occurs in hypothermic bypass surgery. The surface active copolymer can be an ethylene oxide-propylene oxide condensation product with the following general formula:HO(C.sub.2 H.sub.4 O).sub.b (C.sub.3 H.sub.6 O).sub.a (C.sub.2 H.sub.4 O).sub.b Hwherein a is an integer such that the hydrophobe represented by (C.sub.3 H.sub.6 O) has a molecular weight of approximately 950 to 4000 daltons, preferably approximately 1200 to 3500 daltons, and b is an integer such that the hydrophile portion represented by (C.sub.2 H.sub.4 O) constitutes approximately 50% to 90% by weight of the compound.