Solution : https://service.sap.com/sap/support/notes/1026237 (SAP Service marketplace login required)
Key words : 
txt- rac-subdirectory- backup-subdirectory- scratch-subdirectory               important, format <patchid>_<date>_<time>, % $oracle_home/oui/bin/runinstaller -invptrloc $oracle_home/orainst, loc% $oracle_home/opatch/opatch lsinventory -invptrloc $oracle_home/orainst, terms oracle universal installer oui, oracle universal installer oui solution 1, patch storage directory automatically cleaned, sap software distribution center, /var/opt/oracle/orainst, command 'opatch util cleanup'
Related Notes : 
       
| 1027012 | MOPatch - Install Multiple Oracle Patches in One Run | 
| 871096 | Oracle 10.2.0: Patches/patch collections for Oracle 10.2.0.2 | 
| 839187 | Oracle 10.2.0: Applying patch set/patches/patch collection | 
| 839182 | Installing patches using OPatch | 
| 828268 | Oracle Database 10g: New functions |