公开(公告)号：US3773623A

公开(公告)日：1973-11-20

申请号：US3773623D

申请日：1972-02-25

Applicant: ECONOMICS LAB

Inventor： HATCHER H ,  TRUDA R ,  LECHNER T ,  MCDUFF C

IPC: C02F3/34 ,  B32B27/40

CPC classification number: C02F3/342 ,  Y10S435/911

Abstract: Slime formation is controlled (e.g., retarded or removed) by the intentional addition to industrial waters (e.g., white water in pulp and paper mills) of slime controlling amounts of the enzyme levan hydrolase.

公开(公告)号：US3824184A

公开(公告)日：1974-07-16

申请号：US6993370

申请日：1970-09-04

Applicant: ECONOMICS LAB

Inventor： LECHNER T ,  MCDUFF C ,  HATCHER H ,  TRUDA R

IPC: C02F3/34 ,  C02B1/18

CPC classification number: C02F3/342 ,  C02F3/34

Abstract: SLIME FORMATION IS CONTROLLED (E.G. RETARDED OR REMOVED) BY THE INTENTIONAL ADDITION TO INDUSTRIAL WATERS (E.G. WHITE WATER IN PULP AND PAPER MILLS) OF SLIME CONTROLLING AMOUNTS OF THE ENZYME LEVAN HYDROLASE.