We have a product called EIS and we want to apply the patches provided by EIS. How can we do it (4243539)

The patches usually come in zip file

These are not oracle patches.
Example are for EIS

Patch Instructions:
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1. Unzip eis_patch_case_149772_mastec.zip file
2. Run eis_glc_purge_pkg.pkh from XXEIS schema in SQL Plus session
3. Run eis_glc_purge_pkg.plb from XXEIS schema in SQL Plus session
4. Run eis_gl_datamart_purge.sql from XXEIS schema in SQL Plus session
3. Run eis_oneoff_ddl.sql file from XXEIS schema in SQL Plus session

Notice that the schema is not apps it XXEIS