Feb.4,2021  38  US 2021/0033970 Al  [0074]  Further, recurring units (c) h  .  group selected from hydrox  1 (  avmg another adhes)ve  phenolic hydroxyl), lactone Jn other tha~ the foregomg  ester bond sulfonate b  d  ~’ sultone nng, ether bond,  carboxyl ~roups may oanl ’ cbar ~nyl, sulfonyl, cyano, and  so  e mcorpor t d •  h  p_olymer. Examples of suitable mono  a e  m _t e base  nng units ( c) are derived  .  mers from which recur› thereto. Herein  RA  is  d afire gd1ven below, but not limited  as  e ne above.  -continued  -continued  0  /  lyo )yo )yo  g  ~  0  \0  ,__.._  ....  0  0  0 