logo

For the Inventor, By the Inventor

Bozeman, MT, United States of America

Randi W Wytcherley

This inventor holds 13 USPTO granted patents. Top assignees: Hfm International, Inc., Other. Active years: 1993-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Randi W Wytcherley. Retrieved from https://idiyas.com/inventor/randi-w-wytcherley

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 103(Granted Patents)


Location History:

  • Bozeman, MT (US) (1993 - 1995)
  • Belgrade, MT (US) (1993 - 2000)

Company Filing History:

goldMedal4 out of 12 
 
Hfm International, Inc.
 patents
silverMedal9 out of 834,513 
Other
 patents

Years Active: 1993-2000

Loading Chart...
13 patents (USPTO):Explore Patents
1. 6140534 - Method for purifying isophthalic acid prepared from metaxylene (2000-10-31),
2. 6054610 - Method and apparatus for preparing purified terephthalic acid and (2000-04-25),
3. 5929274 - Method to reduce carboxybenzaldehyde isomers in terephthalic acid or (1999-07-27),
4. 5849982 - Recovery of styrene from pyrolysis gasoline by extractive distillation (1998-12-15),
5. 5393385 - Separation of hexane from vinyl acetate and methyl acrylate by (1995-02-28),
6. 5264086 - Separation of formic acid from acetic acid by azeotropic distillation (1993-11-23),
7. 5262015 - Separation of octene-1 from its isomers by azeotropic and extractive (1993-11-16),
8. 5256259 - Separation of hexane from vinyl acetate by azeotropic distillation (1993-10-26),
9. 5250157 - Separation of toluene from methyl isobutyl ketone by azeotropic (1993-10-05),
10. 5240567 - Separation of vinyl acetate from methyl acrylate by extractive (1993-08-31),
11. 5236559 - Separation of hexane from vinyl acetate and methyl acrylate by (1993-08-17),
12. 5227029 - Separation of formic acid from acetic acid by extractive distillation (1993-07-13),
13. 5225050 - Separation of N-hexane from vinyl acetate by extractive distillation (1993-07-06),

Title: Randi W Wytcherley: Innovator in Chemical Purification Methods

Introduction

Randi W Wytcherley is a prominent inventor based in Bozeman, MT (US), known for her significant contributions to the field of chemical purification. With a total of 13 patents to her name, she has developed innovative methods that enhance the production and purification of important chemical compounds.

Latest Patents

One of her latest patents is a method for purifying isophthalic acid prepared from metaxylene. This method involves several steps, including filtering a crude isophthalic acid filter cake, dissolving it in a selective crystallization solvent, and crystallizing purified isophthalic acid by adjusting temperature or pressure. The preferred solvent for this process is N-methyl pyrrolidone. Another notable patent is a method and apparatus for preparing purified terephthalic acid and optionally isophthalic acid from mixed xylenes. This integrated process purifies the oxidation reactor effluent containing a mixture of terephthalic acid and isophthalic acid, along with minor impurities, to produce high-quality purified acids.

Career Highlights

Throughout her career, Randi has worked with various companies, including HFM International, Inc. Her innovative approaches to chemical processes have made her a valuable asset in the industry.

Collaborations

Randi has collaborated with notable professionals in her field, including Lloyd T Berg and Fu-Ming Lee. These partnerships have contributed to her success and the advancement of her patented technologies.

Conclusion

Randi W Wytcherley is a trailblazer in the field of chemical purification, with a strong portfolio of patents that reflect her expertise and innovative spirit. Her work continues to impact the industry positively.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…