公开(公告)号：US11383986B2

公开(公告)日：2022-07-12

申请号：US17416244

申请日：2019-12-20

申请人： Steerlife India Private Limited

发明人： Indu Bhushan ,  Vinay Rao ,  Rakshith Shetty

IPC分类号： C01D7/12 ,  B01J6/00

摘要： The present disclosure relates to a method for chemically modifying particles of a bicarbonate salt in a co-rotating twin-screw extruder and chemically modified bicarbonate particles prepared therefrom. The present disclosure also relates to a method for controlling an amount of carbonate salt formed during chemical modification of bicarbonate salt particles.

公开(公告)号：US11219594B2

公开(公告)日：2022-01-11

申请号：US15781090

申请日：2016-12-12

申请人： STEERLIFE INDIA PRIVATE LIMITED

发明人： Indu Bhushan ,  Vijay Kulkarni ,  Rakshith Shetty

IPC分类号： A61K45/06 ,  A61K9/00 ,  A61K9/48 ,  A61K9/20 ,  A61K9/46 ,  A61P3/10 ,  A61K31/155

摘要： The present invention relates to effervescent compositions of Metformin and optionally other anti-diabetic agents and processes for preparation thereof. More particularly provides an effervescent composition comprising Metformin, an acid and a base such that the composition is free of affirmatively added binders and granulating solvents. The effervescent composition of the present invention has retained carbon dioxide content of at least 90% of the input blend.