Patents by Inventor Constant Huygelen

Constant Huygelen 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).

  • Vaccines against oedema disease of piglets
    Patent number: 4136181
    Abstract: Vaccines against oedema disease of piglets comprising an effective amount of E. coli neurotoxin isolated from a culture of an E. coli serotype which is capable of causing piglet oedema disease and adsorbed on an adjuvant. The vaccines are administered by intramuscular or subcutaneous route.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: January 23, 1979
    Assignee: Recherche et Industrie, Therapeutiques, RIT
    Inventors: Lucia Dobrescu, Constant Huygelen, Frans Van Wijnendaele
  • Pre-farrowing pregnant sow piglet colibacillosis vaccines and process for their administration to pregnant sows before farrowing
    Patent number: 4053584
    Abstract: Piglet colibacillosis vaccine for intramuscular or subcutaneous administration to pregnant sows comprising cell-free heat labile (LT) E. coli enterotoxin with an adjuvant and the method for preventing piglet colibacillosis consisting in administering said vaccine to pregnant sows from 3 to 6 weeks before farrowing.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: October 11, 1977
    Assignee: Recherche et Industrie Therapeutiques
    Inventors: Lucia Dobrescu, Constant Huygelen
  • Live brovine adenovirus vaccines, preparation thereof and method of vaccination using them
    Patent number: 3962424
    Abstract: The invention relates to live virus vaccines containing temperature-sensitive mutant strains of bovine Adenovirus, the cut-off temperature of said mutant strain being comprised between 39.degree. and 40.degree. C.The invention also relates to the induction of said temperature-sensitive mutant strains and to a vaccination method by intranasal administration of the obtained vaccines.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: June 8, 1976
    Assignee: Recherche et Industrie Therapeutiques (R.I.T.)
    Inventors: Nathan Zygraich, Constant Huygelen