Patents by Inventor Quentin Bowes

Quentin Bowes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • N-Methylolcarboxamide compounds
    Patent number: 4395546
    Abstract: A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N<in which the nitrogen belongs to an amide group of the cationic constituent and the oxygen is bonded to the cellulose part.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: July 26, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Jeroslav Haase, Peter Liechti, Hans Wegmuller, Rudolf F. Wurster, Quentin Bowes
  • Process for the purification of industrial effluents
    Patent number: 4306080
    Abstract: A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified, cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N<in which the nitrogen belongs to an amide group of the cationic constituent and the oxygen is bonded to the cellulose part.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: December 15, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Jaroslav Haase, Peter Liechti, Hans Wegmuller, Rudolf F. Wurster, Quentin Bowes
  • Process for removing heavy-metal ions from aqueous solutions
    Patent number: 4238328
    Abstract: A process for removing heavy-metal ions from aqueous solutions, particularly from effluents. The process comprises bringing the aqueous solutions into contact with a water-insoluble adsorbent which has been produced from:(a) a basic polynitrogen compound capable of being acylated;(2) an aliphatic or araliphatic carboxylic acid containing mobile substituents or a multiple bond capable of undergoing addition; and(3) a crosslinking compound which contains at least two reactive substituents and which is different from component (2).
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: December 9, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Quentin Bowes, Rudolf F. Wurster
  • Cationically modified, cellulose-containing materials
    Patent number: 4178438
    Abstract: A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified, cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N<in which the nitrogen belongs to an amide group of the cationic constituent and the oxygen is bonded to the cellulose part, and the cationically modified, cellulose-containing materials possessing such a constituent, are disclosed.
    Type: Grant
    Filed: September 11, 1978
    Date of Patent: December 11, 1979
    Assignee: Ciba-Geigy Aktiengesellschaft
    Inventors: Jaroslav Haase, Peter Liechti, Hans Wegmuller, Rudolf F. Wurster, Quentin Bowes
  • Polysaccharide-containing adsorbent
    Patent number: 4144190
    Abstract: A polysaccharide-containing adsorbent for the removal of heavy metal ions from an effluent which adsorbent has been manufactured from(1) a polysaccharide-containing material,(2) a basic, nitrogen-containing polymer which can be acylated,(3) a crosslinking compound, which is different from component (4), containing at least two reactive substituents and, optionally,(4) an aliphatic or araliphatic carboxylic acid containing a mobile substituent or a multiple bond which is capable of undergoing addition.
    Type: Grant
    Filed: June 28, 1977
    Date of Patent: March 13, 1979
    Assignee: Ciba-Geigy AG
    Inventors: Quentin Bowes, Jaroslav Haase, Rudolf F. Wurster
  • Ionically modified cellulose materials for removal of heavy metal ions
    Patent number: 4133929
    Abstract: A cellulosic absorption material for the removal of heavy metal ions from fluids, which material contains at least one chelate-forming amino acid group which is bonded through the group of the formula ##STR1## to the cellulose portion wherein the carbonyl group is linked to the chelate-forming radical and the oxygen is linked to the cellulose portion.
    Type: Grant
    Filed: June 14, 1977
    Date of Patent: January 9, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: Quentin Bowes, Jaroslav Haase, Rudolf F. Wurster
  • Process for the purification of industrial effluents
    Patent number: 4079001
    Abstract: A process for the purification of industrial effluents which comprises bringing said effluents into contact with an adsorption material which contains a carrier that is pretreated with a precipitate of a basic nitrogenous polymeric compound with an activated clay mineral.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: March 14, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Jaroslav Haase, Quentin Bowes, Rudolf F. Wurster