0000950123-04-013173 10-Q 3 20040930 20041108 20041108 REGENERON PHARMACEUTICALS INC 0000872589 2834 133444607 NY 1231 10-Q 34 000-19034 041125848 777 OLD SAW MILL RIVER RD TARRYTOWN NY 10591-6707 9143477000 10-Q 1 y68305e10vq.htm REGENERON PHARMACEUTICALS, INC. EX-31 2 y68305exv31.htm EX-31 CERTIFICATION EX-32 3 y68305exv32.htm EX-32 CERTIFICATION