Catechism of the Catholic Church §1684 — excerpt
The Christian funeral confers on the deceased neither a sacrament nor a sacramental since he has "passed" beyond the sacramental economy. It is nonetheless a liturgical celebration of the Church.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: SC 81-82