Patent ID: 11911513
Assignee: SHANGHAI WD PHARMACEUTICAL CO., LTD
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 7:
8. The method of claim 6, wherein in the extended release platform, the coating membrane is composed of 50 wt % of cellulose acetate membrane and 50 wt % of copovidone VA64; the coating membrane is composed of 70 wt % of cellulose acetate membrane and 30 wt % of copovidone VA64; or the coating membrane is composed of 60 wt % of cellulose acetate membrane and 40 wt % of copovidone VA64; wherein the weight percentage is the weight percentage of each component of the coating membrane;
or, the weight of the coating membrane is 2.0%, 4.2%, 4.5%, 4.6%, 4.8%, 5.0%, 5.9%, 6.5%, 6.7%, 7.0%, 7.7%, 7.9% or 9.7% of the weight of the tablet core.