Police said the man assaulted her before fleeing on foot out her front door, labelling the attack as 'appalling and cowardly'.
Patricia was then rushed to the Sydney Adventist Hospital where she is receiving treatment for injuries to her face, chest and arms.
On Tuesday detectives searched the area surrounding the nursing home and spoke to neighbours. They are now calling on the public for assistance in tracking down the perpetrator responsible.
The man is described as being aged between 30 and 50, about 175 - 180 centimetres tall, possible of Asian or Indian Sub-Continental appearance with a medium build, brown eyes, dark hair and clean shaven.
It is understood that he was wearing light-coloured pants and a jacket over a button-up shirt and tie at the time of the attack.
If you have any information regarding the incident, police are urging members of the public to contact Crime Stoppers on 1800 333 000.
