US 20180228700Al  c19)  United States  c12)  Patent Application Publication  CATEL et al.  c10)  Pub. No.: US 2018/0228700 Al  (43)  Pub. Date:  Aug. 16, 2018  (54)  AGENT FOR CONDITIONING DENTIN AND  ENAMEL  Aug. 12, 2015  (EP) .................................. 15180817.7  Aqueous solution of a transition and main group metal salt  for use as conditioning agent in dental restoration therapy.  (71)  Applicant:  Ivoclar Vivadent AG,  Schaan (LI)  (72)  Inventors:  Buchs CATEL,  Buchs (CH);  Thorsten  BOCK,  Feldkirch (AT)  (21)  Appl. No.:  15/751,597  (22)  PCT Filed:  Aug. 12, 2016  (86)  PCT No.:  PCT /EP2016/069273  § 371 (c)(l),  (2) Date:  Feb. 9, 2018  (51)  Int. Cl.  A61K 6/00  (2006.01)  (52)  U.S. Cl.  CPC ............  A61K 6/007  (2013.01);  A61K 6/0029  (2013.01)  (30)  Foreign Application Priority Data  Publication Classification  (57)  ABSTRACT  Dentin (15s}  Enamel {30s)  Enamel  (15s}  37% H3P04 