US 12,171,873 B2
Devices and methods for delivery of substances to animals
Mark Christopher Lay, Hamilton (NZ); Hayden Peter Thomas, Hamilton (NZ); Neil Richard Gladden, Hamilton (NZ); David Leslie Hayman, Hamilton (NZ); Geoffrey Earle Corbett, Hamilton (NZ); and Prabhat Bhusal, Hamilton (NZ)
Assigned to Ruminant Biotech Corp Limited, Hamilton (NZ)
Filed by Ruminant Biotech Corp Limited, Hamilton (NZ)
Filed on Nov. 16, 2022, as Appl. No. 17/987,983.
Application 17/987,983 is a continuation of application No. 17/544,445, filed on Dec. 7, 2021, granted, now 11,529,310.
Claims priority of application No. 770786 (NZ), filed on Dec. 8, 2020; application No. 2021900932 (AU), filed on Mar. 30, 2021; and application No. 2021221810 (AU), filed on Aug. 25, 2021.
Prior Publication US 2023/0083835 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 33/00 (2006.01); A61K 9/00 (2006.01); A61K 47/34 (2017.01); A61K 47/44 (2017.01)
CPC A61K 9/0068 (2013.01) [A61K 33/00 (2013.01); A61K 47/34 (2013.01); A61K 47/44 (2013.01)] 46 Claims
OG exemplary drawing
 
1. A bolus, comprising:
a core comprising:
metal;
a carrier; and
bromoform mixed with the carrier; and
a housing,
wherein:
one of the following holds:
the housing comprises poly lactic acid (PLA) and polybutylene adipate terephthalate (PBAT); or
the housing comprises poly lactic acid (PLA) and polybutylene succinate (PBS);
the bolus is configured to be administered to a ruminant animal; and
the bolus is configured so that, when the bolus is present in the rumen of the ruminant animal, bromoform passes through the housing and an effective amount of bromoform is delivered to the rumen of the ruminant animal over a period of time.