Patents by Inventor Sebastian M. Laurent

Sebastian M. Laurent 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).

  • Patent number: 5314700
    Abstract: New methods and feed compositions are disclosed for enhancing the reduction of coccidial-induced intestinal lesions in poultry and for enhancing shank pigmentation in poultry. Such methods comprise coadministering zeolite and coccidiostats, such as in a feed mixture or by separate administration.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: May 24, 1994
    Assignee: Ethyl Corporation
    Inventors: Dewey G. Barnes, Sebastian M. Laurent
  • Patent number: 5082662
    Abstract: Methods of (a) improving the quality of the bones and/or increasing the bone strength and/or the blood quality of and/or (b) treating ascites and/or fatty liver syndrome in animals, including humans, cattle, sheep, goats, swine, cats, dogs and poultry without deleterious effects on the animals or products of the animals by adding small effective amounts of zeolite to the feed of the animals or directly to the animals in the form of a capsule, tablet or the like.
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: January 21, 1992
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4976971
    Abstract: Interior egg quality, usually expressed in Haugh Units, is prolonged by feeding the laying poultry a diet containing zeolite A. If the feed contains a reduced chloride content, egg shell quality, egg shell thickness or egg specific gravity may be also improved, and/or the number of shell-less eggs may be reduced.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: December 11, 1990
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4970080
    Abstract: Methods of (a) improving the quality of the bones and/or increasing the bone strength and/or the blood quality of and/or (b) treating ascites and/or fatty liver syndrome in animals, including humans, cattle, sheep, goats, swine, cats, dogs and poultry without deleterious effects on the animals or products of the animals by adding small effective amounts of zeolite to the feed of the animals or directly to the animals in the form of a capsule, tablet or the like.
    Type: Grant
    Filed: January 30, 1939
    Date of Patent: November 13, 1990
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4908218
    Abstract: Egg shell quality, egg shell thickness or egg specific gravity are improved, and/or the number of shell-less eggs reduced, when laying poultry is fed a diet comprising a zeolite such as zeolite A and a reduced chloride content. The chloride content of the diet can be below the level previously considered required. Thus, for chickens, both layers and broiler breeders, the chloride content can be below 0.15 percent. The level of zeolite A can be from about 0.25 to about 4.0 weight percent, more preferably from 0.75 to about 1.5 weight percent.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: March 13, 1990
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4893585
    Abstract: A method of improving the quality of poultry chicks wherein a small amount of zeolite is added directly to the poultry eggs producing the poultry chicks, prior to hatching of the poultry eggs.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: January 16, 1990
    Assignee: Ethyl Corporation
    Inventor: Sebastian M. Laurent
  • Patent number: 4879121
    Abstract: A method of improving the lean/fat ratio in broiler poultry by adding a small effective amount of zeolite A up to about four weight percent of the feed, to the feed of the broiler poultry, and regularly feeding the broiler poultry the feed containing the zeolite A.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: November 7, 1989
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4873097
    Abstract: A method of improving the quality of egg shells of laying poultry or laying hens without deleterious effects on the contents of the poultry egg shells by adding a small amount of zeolite A to the feed of the poultry, and a poultry feed for laying hens containing zeolite A.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: October 10, 1989
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4862829
    Abstract: A method of calming or decreasing the activity of laying poultry and thereby reduce their production of undesirable body-checked eggs by adding an effective amount of zeolite A up to about 4.0 weight percent of the feed, to the feed of the laying poultry, and regularly feeding the laying poultry the feed containing zeolite A.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: September 5, 1989
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4847085
    Abstract: A method of improving the quality of the bones and/or increasing the bone strength of aminals, including humans, cattle, sheet, goats, swine and poultry without deleterious effects on the animals or products of the animals by adding a small effective amount of zeolite to the feed of the animals or directly to the animals in the form of a capsule, tablet or the like.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: July 11, 1989
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4820526
    Abstract: A method of improving feathering of poultry, which comprises feeding poultry a diet containing a small amount of zeolite.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: April 11, 1989
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4759932
    Abstract: A method of reducing heat stress in animals, especially poultry, wherein a small amount of zeolite is added to the animal feed and the feed is regularly fed to the animals during periods of heat stress causing temperatures.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: July 26, 1988
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4623529
    Abstract: The present invention is directed to the preparation of a synthetic crystalline zeolite of the clinoptilolite type wherein a solid amorphous silica, an alumina source, sodium hydroxide, a seed clinoptilolite and water are mixed together, heated, refluxed, then filtered and a synthetic crystalline zeolite of the clinoptilolite type obtained.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Robert N. Sanders, Sebastian M. Laurent
  • Patent number: 4610882
    Abstract: A method of improving the feed utilization efficiency of poultry by adding a small effective amount of zeolite A up to about four weight percent of the feed, to the feed of the poultry, and feeding the poultry the feed containing the zeolite A.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: September 9, 1986
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4610883
    Abstract: A method of improving the liveability of laying poultry or laying hens by adding an effective amount of zeolite A up to about 4.0 weight percent of the feed to the feed of the poultry, and feeding the poultry said feed containing zeolite A.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: September 9, 1986
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4557921
    Abstract: A process for the removal of hydrogen halides including HCl and HF, and/or sulfur dioxide from silicon tetrafluoride. Contaminated gaseous silicon tetrafluoride is passed through a column of zeolite preferably in the hydrogen cation form so as to permit recovery of silicon tetrafluoride containing less than about 10% of the original contamination levels. Acid-stable zeolite materials suitable for the process of the invention are subjected to a flow of hot gases to permit regeneration of the column for use in a semicontinuous process.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: December 10, 1985
    Assignee: Ethyl Corporation
    Inventors: Warren B. Kirsch, Sebastian M. Laurent
  • Patent number: 4556564
    Abstract: A method of improving the quality of egg shells of laying poultry or laying hens without deleterious effects on the contents of the poultry egg shells by adding a small amount of zeolite A to the feed of the poultry.
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: December 3, 1985
    Assignee: Ethyl Corporation
    Inventors: Sebastian M. Laurent, Robert N. Sanders
  • Patent number: 4554141
    Abstract: A process for the removal of ethylene from silane. Hydrocarbon-contaminated silane is preferably first distilled in a conventional distillation column to remove hydrocarbons boiling higher and lower than silane. Ethylene is removed by passing the silane stream through a column of zeolite, preferably zeolite A having a 4 Angstrom micropore. The 4 Angstrom zeolite A has a high capacity for ethylene and is readily regenerated.
    Type: Grant
    Filed: May 14, 1984
    Date of Patent: November 19, 1985
    Assignee: Ethyl Corporation
    Inventors: Herbert M. Scull, Sebastian M. Laurent
  • Patent number: 4515780
    Abstract: A feed formulation for animals, particularly ruminant animals, and especially sheep, containing a small amount of zeolite.A method of inhibiting the formation of kidney stones or urinary calculi in animals, wherein a small amount of zeolite, especially synthetic zeolite A, up to about five weight percent is added to a feed formulation otherwise containing sufficient nutrients, for said animals.
    Type: Grant
    Filed: May 24, 1983
    Date of Patent: May 7, 1985
    Assignees: Ethyl Corporation, The United States of America as represented by the Secretary of Agriculture
    Inventors: Sebastian M. Laurent, Wilson G. Pond
  • Patent number: 4482530
    Abstract: The present invention relates to a process for producing a crystalline synthetic faujasite of the zeolite "Y" type of a predetermined particle size wherein an activated system is provided by mixing a sodium silicate solution with a seed amount of zeolite "Y" type synthetic faujasite and the activated system is reacted with a sodium aluminate solution under controlled conditions to thereby form a low water reaction mixture or system and then a crystalline synthetic faujasite of the zeolite "Y" type of the predetermined particle size.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: November 13, 1984
    Assignee: Ethyl Corporation
    Inventors: Robert N. Sanders, Sebastian M. Laurent