Patent ID: 11932479
Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC B  C  A | IPC B  C

Claim 11:
12. The hydrogen sulfide sustained release agent according to claim 11, wherein the layered double hydroxide is represented by the following general formula (1):

QxR(OH)2(x+1){(HS−,0.5Sk2−)yZt}·nH2O  (1)

wherein in the formula (1), Q represents a divalent metal ion; R represents a trivalent metal ion; Z represents an anion other than HS− and/or Sk2−; x, y, and t represent numbers satisfying 1.8≤x≤4.2, 0.01≤y≤2.0, and 0≤t≤1.0; and n represents a number varying depending on a humidity of an environment.