Patents by Inventor Steven L. Collignon

Steven L. Collignon 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).

  • Energetic composites of cyclodextrin nitrate esters and nitrate ester plasticizers
    Patent number: 5114506
    Abstract: An energetic composite made of a mixture of(1) a solid nitrate ester of a cyclodextrin or a mixture of cyclodextrins; nd(2) an energetic organic nitrate ester plasticizer.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: May 19, 1992
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John P. Consaga, Steven L. Collignon
  • Preparation of spheroidal 3-nitro-1,2, 4-triazole-5-one
    Patent number: 4894462
    Abstract: A process for recrystallizing crude, rod-like or jagged crystals of 3-nit1,2,4-triazol-5-one into spheroidal crystals by using low molecular weight alcohols (e.g., methanol, ethanol).
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: January 16, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Steven L. Collignon
  • Mineral spirits purification process
    Patent number: H581
    Abstract: A process for purifying mineral spirits which have been used to clean Otto uel II propelled torpedoes by heating the mineral spirits to decompose 1,2-propanediol dinitrate and remove hydrogen cyanide and other gaseous decomposition produces, and then distill the mineral spirits from the remaining contaminants.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: February 7, 1989
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven L. Collignon, Dennis R. Knudsen
  • Preparation of spheroidal 3-nitro-1,2,4-triazol-5-one by crystallization
    Patent number: H719
    Abstract: A process for recrystallizing crude, rod-like or jagged crystals of 3-nit1,2,4-triazol-5-one into spheroidal crystals by using water containing from 0.01 to 0.20 weight percent of a fluorochemical surfactant and from 0.01 to 0.20 weight percent of methyl cellulose.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: December 5, 1989
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven L. Collignon, Robert Farncomb
  • Carbohydrazinium dinitrate
    Patent number: H787
    Abstract: Carbohydrazinium dinitrate, which is formed by adding 2 moles of nitric a (HNO.sub.3) to each mole of carbohydrazide (H.sub.2 NHNCONHNH.sub.2). This salt is useful as an oxidizer in slurry gun propellants.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: June 5, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Steven L. Collignon
  • Method for manufacturing 3-nitro-1,2,4-triazol-5-one
    Patent number: H861
    Abstract: A process for preparing 3-nitro-1,2,4-triazol-5-one by nitrating 1,2,4-trol-5-one in 70% nitric acid at a temperature of from 60.degree. C. to 75.degree. C. and then crystallizing out the product 3-nitro-1,2,4-triazol-5-one at a temperature of from 0.degree. C. to 10.degree. C. The nitro-1,2,4-triazol-5-one is useful as an explosive.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: December 4, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven L. Collignon, Robert E. Farncomb, Kerry L. Wagaman
  • Continuous process for crystallizing nitroguanidine
    Patent number: H1510
    Abstract: A continuous process for forming spheroidal high bulk density nitroguanid crystals from an aqueous solution of nitroguanidine which contains methylcellulose and partially hydrolyzed poly(vinyl alcohol) as crystal habit modifiers. A saturated aqueous solution of nitroguanidine is formed at a temperature T.sub.1 where 70.degree. C..ltoreq.T.sub.1 .ltoreq.100.degree. C. and crystallization occurs at a lower temperature T.sub.2 where 20.degree. C..ltoreq.T.sub.1 -T.sub.2 .ltoreq.50.degree. C.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: December 5, 1995
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven L. Collignon, Kerry L. Wagaman
  • Method of producing high bulk density spheroidal nitroguanidine
    Patent number: H1778
    Abstract: A process for producing high bulk density spheroidal nitroguanidine by fong a solution of from 2 to 9 weight percent of nitroguanidine, 0.5 to 2.0 weight percent of methylcellulose, and 0.5 to 2.0 weight percent of partially hydrolyzed poly(vinyl alcohol) in water at a temperature of from 50.degree. C. to 100.degree. C., and then cooling the solution at a rate of from I to 20.degree. C./minute until the solution temperature is less than 40.degree. C.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: February 2, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kerry L. Wagaman, Chester F. Clark, William S. Jones, Steven L. Collignon, Christopher C. Wilmot