Chemistry

On October 25, 1949, Alicia Perez of Bartlesville, Oklahoma, was granted a patent for developing a novel process to extract vegetable oil, which promised to deliver higher yields and greater efficiency than previously known methods.

On January 30, 1945, Ava L. Johnson of Oakland, California, an assignor to Shell Development Company, patented an improved process for separating acidic gases from water-insoluble fluids. Her method used a high-pressure water wash followed by efficient alkaline scrubbing and steam regeneration, greatly boosting purification and reducing energy costs.

On June 7, 1949, Ava J. Johnson of Oakland, California, an assignor to Shell Development Company, patented a novel method for carrying out endothermic catalytic reactions. Her process balanced endothermic and exothermic steps inside a multi-zone reactor, extending catalyst life and boosting yields.

On March 3, 1894, Clara Ann Vaughan Morgan of Kensington, London, patented a novel tooth-cleaning powder. Her formulation combined chalk, pumice stone, borax, sapo animalis (animal soap), oil of cloves, and carmine.

On October 26, 1895, Edith L. Griffin, a midwife from Guildford, Surrey, was awarded a patent for a novel cleansing lotion, specifically developed for nursing mothers. Date of Application: 19 September 1895

On November 21, 1882, Hanneh Branch, a U.S. inventor based in North San Juan, California, was awarded a patent for creating a novel cough remedy. The compound was prepared by combining common tar, honey, egg yolks, licorice, and port wine.

On November 27, 1934, Linda C. Bruhn of Auburndale, Wisconsin, patented a method for producing small cheddar cheese loaves that resist molding and rind formation without sterilization. Her process sealed each loaf with a heat-formed butterfat coating and foil layer, preserving the cheese’s natural aging qualities while ensuring stability during storage and transport.

On February 25, 1873, Mary Ann Curtis, a resident of San Francisco, was granted a patent for a novel medicine designed to alleviate inflammation and rheumatism. Date of Application: -

On July 6, 1869, Mary H. Ramsaur, a resident of Lincolnton, North Carolina, was granted a patent for a novel medicine designed to alleviate rheumatism, neuralgia, and general soreness. Date of Application: -