Sr. No.

Formulation code

Drug:
Polymer
Ratio

Organic solvent system [1:1]

Continuous Phase

1

M41

1:1

Ethyl acetate: acetone

100 ml 0.5% Polyvinyl alcohol

2

M42

1:2

Ethyl acetate: acetone

100 ml 0.5% Polyvinyl alcohol

3

M43

1:1

Ethyl acetate: acetone

100 ml liquid paraffin

4

M151

1:1

Dichloromethane: ethanol

100 ml 0.5% Polyvinyl alcohol

5

M152

1:2

Dichloromethane: ethanol

100 ml 0.5% Polyvinyl alcohol

6

M153

1:1

Dichloromethane: ethanol

100 ml liquid paraffin

7

M1001

1:1

Ethyl acetate: acetone

100 ml 0.5% Polyvinyl alcohol

8

M1002

1:2

Ethyl acetate: acetone

100 ml 0.5% Polyvinyl alcohol

9

M1003

1:1

Dichloromethane: ethanol

100 ml liquid paraffin
NOTE: - Formulations M41, M42 and M43 containing MethocelK4M.
- Formulations M151, M152 and M153 containing MethocelK15M.
- Formulations M1001, M1002 and M1003 containing MethocelK100M.
Table 1: Composition of formulations of floating microspheres.