Hi.
If ideas is all You've got, there's no way that they can be patented. To be patentable, an object, formulae etc. have to meet certain criterias. Those You can look up from your nearest patent office.
While in poly, we all made hypothetical patent applications to be evaluated during the patent office excursion. Most of them would've passed with flying colours, but then came the downside. Having/keeping patents gets expensive fast. Unless You're in position to manufacture and actually sell "your" invention(s) as a product, it's a lost cause.
And yes, about once a month IIRC, a perpetual machine patent application did land on their desk, and that's in Finland alone

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If Your idea is hi-tech and can only be produced in the "west", You have a chance. If it's lo-tech and can easily be produced, well you know where, forgetaboutit.
IMHO/IME as always.
Regards
Sam