There's a short wiki entry which may answer a few of your questions.
http://en.wikipedia.org/wiki/Coptic_Catholic_Church
While you are on this site, don't debate to win and prove yourself right, but discuss to learn and find truth, and to encourage through a humble spirit. God Bless
Ephesians 4:1-3
As a prisoner for the Lord, then, I urge you to live a life worthy of the calling you have received. Be completely humble and gentle; be patient, bearing with one another in love. Make every effort to keep the unity of the Spirit through the bond of peace.
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