Description     Claims     Drawing  

US4931282A   [0003]  [0030]  [0064] 
US5225473A   [0030] 
US5389376A   [0030] 
US5409966A   [0033]  [0055]  [0071] 
US4310509A   [0048] 
US10456810B   [0051] 
US3645835A   [0067] 
US4595001A   [0067] 
US4849224A   [0069]  [0070] 
US4855294A   [0069]  [0070] 
WO89107951A   [0069] 
WO8907951A   [0070] 

Water-Soluble Polymers: Properties and Behavior   [0032]