[Alex Murphy]

[addressing a statement that said "the Catholic Church recognizes the Sacraments of Baptism and of Matrimony as valid in all Christian denominations"]
APOSTOLIC CHURCH: Invalid
CHRISTADELPHIANS: Invalid
CHRISTIAN SCIENTISTS: Invalid
CHURCH OF DIVINE SCIENCE: Invalid
JEHOVAH’S WITNESSES: Invalid
LATTER DAY SAINTS CHURCH (MORMON): Invalid
PENTECOSTAL CHURCHES: Invalid
UNIVERSALISTS: Invalid

Not sure why you would bring these up, unless you believe that these are "Christian (Protestant) denominations". Is that what you believe?

[NKP_Vet]

The baptisms in the faiths I listed are not recognized as being valied because their baptism is a not a trinatarian baptism.

http://www.catholic.com/tracts/trinitarian-baptism