Company Filing History:
10 out of 1,770 
1 out of 832,812 Years Active: 1986-1993
Title: Judith A Ladd: Innovator in Chemical Recovery Processes
Introduction
Judith A Ladd is a notable inventor based in Sayre, PA (US), recognized for her contributions to the field of chemical recovery processes. With a total of 11 patents to her name, she has made significant advancements in the recovery of valuable materials from complex solutions.
Latest Patents
One of her latest patents is focused on the recovery of oxalate from solutions containing complexes of iron and chromium. This method involves adjusting the pH of the solution to between 1 and 2, adding calcium chloride in a specific ratio, and digesting the solution at elevated temperatures to form calcium oxalate. Another significant patent details a method for recovering chromium from chromium-bearing materials. This process includes heating the material with solid alkali metal hydroxide in an oxidizing atmosphere, followed by a series of steps to produce a chromium-rich liquor.
Career Highlights
Throughout her career, Judith has worked with GTE Products Corporation, where she applied her expertise in chemical processes. Her innovative approaches have led to the development of methods that enhance the efficiency of material recovery.
Collaborations
Judith has collaborated with notable individuals in her field, including Clarence D Vanderpool and Martin B MacInnis. These partnerships have contributed to her success and the advancement of her patented technologies.
Conclusion
Judith A Ladd's work in chemical recovery processes showcases her innovative spirit and dedication to improving material recovery methods. Her patents reflect her significant contributions to the field and her commitment to advancing chemical engineering.