Translation of "Patronizing" in Japanese

Thank you very much for patronizing our store for a long time.

平素からの当店に対するご愛顧に感謝しております。

I find just the memory of his overly polite patronizing manner really offensive.

あいつの慇懃無礼なものの言い方、思い出すだけで不愉快になるよ。