Buckman Laboratories, Inc.

Stanley J Buckman

John D Pera

Joseph G Fenyes

John D Buckman

Gerald D Mercer

Miguel L Pulido

Betty S Johnson

Kenneth J Flanagan

Lester A Wienert

Michael L Mishler

Rudolf F Lang

The present invention relates to certain compositions and processes useful for inhibiting the growth of microorganisms in water and, in particular, water used for industrial purposes; for example, in the manufacture of paper, in cooling water systems in effluent water treatment, and in secondary recovery petroleum operations. The novel processes and compositions of the present invention are processes or mixtures which show unexpected synergistic activity against microorganisms, including bacteria, sulfate-reducing bacteria, fungi, and algae, which produce slime in aqueous systems where such slime is objectionable from either an operational or aesthetic point of view. Specifically, the invention is directed to the use of compositions comprising 2-(thio-cyanomethylthio)benzothiazole and 2'-hydroxyethyl 2,3-dibromopropionate or 2'-hydroxyethyl 2-bromoacrylate.

Slime control compositions and methods of using the same

Cationic, water-soluble, amine-epichlorohydrin polymeric compositions formed by reacting polymeric bis(3-chloro-2-hydroxypropyl) amines with tertiary amines are useful in papermaking processes, in water purification processes, textile manufacturing processes, and for the control of pests such as algae, bacteria and fungi.

Amine-epichlorohydrin polymeric compositions

Poly[2-hydroxyethylene(dimethyliminio)ethylene(dimethyliminio)methylene dichloride] prepared by the reaction of N, N, N', N'-tetramethylethylenediamine with hydrochloric acid and epichlorohydrin is useful as an algicide.

Method of controlling the growth of algae

The preparation of 3',5'-dihalo-4'-hydroxyacetophenones and their use as fungicides are described.

Methods of inhibiting the growth and proliferation of fungi using

Halogenated propyl esters of cyanodithioimidocarbonic acid are useful for inhibiting the growth and proliferation of bacteria, fungi and nematodes.

Halogenated propyl esters of cyanodithioimidocarbonic acid

Organo-silica polymers having the formula: ##EQU1## WHEREIN M AND N ARE INTEGERS INDEPENDENTLY REPRESENTING THE NUMBER OF UNITS; R represents --H, --CN, --CONH.sub.2, --CONH.sub.3 .sup.+, --COOH, --COO.sup.-, --COOM, or --COOR'; R' represents --NH--, --NH.sub.2 --.sup.+, --NR'--, --NR'H--.sup.+, or --CH.sub.2 --CHR--; --CH.sub.2 --CHR--; and whenever R' contains nitrogen, R is hydrogen; R' represents an alkyl or aryl radical; M represents an alkali metal; X represents an --OH, --O.sup.-, or --OM; are suitable as sequestering, dispersing, and flocculating agents.

Organo-silica polymers

Ring and side chain substituted alkylaryl ketones are useful in controlling the growth of germinating and seedling weed grasses and germinating and seedling broadleaf weeds.

Growing community of inventors

Memphis, TN, United States of America

Stanley J Buckman