US 11,850,567 B2
Apparatus for continuous granulation of powder material
Radhika Ghike, Bangalore (IN); Vijay Kulkarni, Bangalore (IN); Indu Bhushan, Bangalore (IN); Himadri Sen, Bangalore (IN); Babu Padmanabhan, Bangalore (IN); and Vinay Rao, Bangalore (IN)
Assigned to STEERLIFE INDIA PRIVATE LIMITED, Bangaluru (IN)
Filed by Steerlife India Private Limited, Bangalore (IN)
Filed on Aug. 31, 2020, as Appl. No. 17/007,641.
Application 17/007,641 is a division of application No. 15/747,021, granted, now 10,792,634, previously published as PCT/IB2016/054616, filed on Aug. 1, 2016.
Claims priority of application No. 3986/CHE/2015 (IN), filed on Jul. 31, 2015.
Prior Publication US 2021/0046439 A1, Feb. 18, 2021
Int. Cl. B01J 2/20 (2006.01); B29C 48/92 (2019.01); A61K 9/16 (2006.01); A61J 3/02 (2006.01); B29C 48/405 (2019.01); B29C 48/40 (2019.01); B01J 2/28 (2006.01); B01J 2/30 (2006.01); B29B 9/06 (2006.01); B29C 48/57 (2019.01); B29C 48/04 (2019.01); B29C 48/59 (2019.01)
CPC B01J 2/20 (2013.01) [A61J 3/02 (2013.01); A61K 9/1652 (2013.01); A61K 9/1694 (2013.01); B01J 2/28 (2013.01); B01J 2/30 (2013.01); B29C 48/40 (2019.02); B29C 48/405 (2019.02); B29C 48/92 (2019.02); B29B 9/06 (2013.01); B29C 48/04 (2019.02); B29C 48/57 (2019.02); B29C 48/59 (2019.02); B29C 2948/926 (2019.02); B29C 2948/92723 (2019.02)] 9 Claims
OG exemplary drawing
 
1. A co-rotating twin screw processor for preparing dry granules comprising:
an input zone having one or more powder feeders for feeding an input material into the processor;
a steam feeder configured to introduce steam as a granulation activating agent in to the processor;
a granulation zone for granulating the input material in the presence of steam to form granules;
a controller configured to control operation and feed rate of at least one of the powder feeder or the steam feeder such that 2.5 to 5 percent w/w of the steam with respect to the input material is available for granulation; and
a discharge zone having a non-extruding opening for collecting the dry granules.