Hi Dawn, I have a few thoughts on this (I hope you find them helpful)
1. First of all, it would be lot easier on you and your family if you can find someone (friend, grandparent, nanny) to come over to your house and help you a couple of hours a day (or as long as he/she can) in your sleep training. Sleep training is a lot more sucessful when you have someone to help you with your other lo, that way you won't be so stressed about it and will be able to focus on what you're doing and to find the cues your baby is giving you. If you're distracted and worried about something else is likely that the baby will feel that and will end up in failure (like the 2 hours of pat/shush)
2. Some babies find pat/shus too stimulating (sp. if your lo is a touchy/spirited one). Maybe try to rock her a little or sing some lullabies to help her relax and then lay her down when she's drowsy and then proceed to pat/shush.
3. You say that she falls asleep on the breast and wakes 10 mins later you put her on her cot. Maybe check for reflux/gas and I recommend that you massage her in a C way over her stomach after each feed and burp her so you make sure she expelled all the gas and therefore may sleep comfortable (that is also helpful to wake a sleepy baby when she eats)
4. Is she being swaddled? flailing arms and legs are stressful and frightening for young babies. That also contributes to the dificult in the sleep.
My ds used to fall asleep on the breast/bottle on his first weeks of life because that was the only way he would find comfort. Then, we discovered that he had a silent reflux and the sucking would comfort the heartburn that he sometimes suffered. As soon as we put him on meds, he was able to fall asleep without sucking. We used a pacifier to make the transition (maybe that would be a helpful hint to you also!)
Good luck and I hope you find helpful the advice. Take care!
