公开(公告)号：US3677736A

公开(公告)日：1972-07-18

申请号：US3677736D

申请日：1971-06-08

Applicant: ALLIED CHEM

Inventor： FORMAINI RICHARD E

IPC: C05C9/02 ,  C05C9/00

CPC classification number: C05C9/02 ,  C05G3/007

Abstract: A LIQUID FERTILIZER SUSPENSION CONTAINING UREAFORM HAVING A WATER INSOLUBLE NITROGEN CONTENT OF AT LEAST 1.5% AND AN ACTIVITY INDEX IN EXCESS OF 60. THE PROCESS FOR PRODUCING SAID SUSPENSION IS CONCERNED WITH DILUTING A UREAFORMALDEHYDE REACTION PRODUCT CONTAINING UREA AND FORMALDEHYDE HAVING A MOLE RATIO BETWEEN 1:1 TO 2:1 WITH WATER TO FORM A 35-65% UREA-FORMALDEHYDE SOLUTION, LOWERING THE PH TO BELOW 5, HEATING SAID SOLUTIONAL AT A TEMPERATURE RANGING FROM 30-80* TO FORM A SUSPENSION AND ADDING AN ALKALINE MATERIAL TO SAID SUSPENSION TO RAIS THE PH TO ABOVE 5.

公开(公告)号：US3462256A

公开(公告)日：1969-08-19

申请号：US3462256D

申请日：1966-10-31

Applicant: ALLIED CHEM

Inventor： JUSTICE GED H ,  FORMAINI RICHARD E

IPC: C07C273/02 ,  C07G99/00 ,  C08G12/12 ,  C05C9/02

CPC classification number: C08G12/12 ,  C07C273/025 ,  C07G17/00

公开(公告)号：US3150956A

公开(公告)日：1964-09-29

申请号：US17181362

申请日：1962-02-08

Applicant: ALLIED CHEM

Inventor： SMITH JOSEPH A ,  FORMAINI RICHARD E

IPC: C05B7/00

CPC classification number: C05B7/00 ,  C05G1/00 ,  C05C3/00 ,  C05C9/02

公开(公告)号：US3421854A

公开(公告)日：1969-01-14

申请号：US3421854D

申请日：1963-08-15

Applicant: ALLIED CHEM

Inventor： SMITH JOSEPH A ,  FORMAINI RICHARD E

IPC: C01B21/26 ,  C01B21/36 ,  C01B21/20

CPC classification number: C01B21/26 ,  C01B21/36