1. Creasy WS (1984) Transparent anti-fog coating compositions. US Patent. Hydromer Inc, NJ, USA, 4,467,073
2. Funaki M, Yoshida M, Shimauchi Y, Fujioka A, Sakiyama K (1980) Coated materials and production thereof. US Patent. Simitomo Chemical Company, Ltd, USA (JP), 4,242,412
3. Haller I (1978) J Am Chem Soc 100:8050
4. Hosono H, Taniguchi T, Nishii M (1991) Process for preparation of anti-fogging coating. US Patent. Toray Industries, Inc., USA (JP), 5,075,133
5. Laurin BL (1978) Abrasion and antifog-resistant optical element. US Patent. American Optical Corp., MA, 4,127,682