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For the Inventor, By the Inventor

Randolph, NJ, United States of America

Charles F Irwin

This inventor holds 7 USPTO granted patents. Top assignees: Lever Brothers Company, Lever Brothers Company, Division of Conopco, Inc., Other. Active years: 1987-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles F Irwin. Retrieved from https://idiyas.com/inventor/charles-f-irwin

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 118(Granted Patents)


Location History:

  • Ormond Beach, FL (US) (1988)
  • Randolph, NJ (US) (1987 - 1995)
  • NJ, US (1995)

Company Filing History:

goldMedal3 out of 1,003 
 
Lever Brothers Company
 patents
silverMedal3 out of 588 
 
Lever Brothers Company, Division of Conopco, Inc.
 patents
bronzeMedal1 out of 834,513 
Other
 patents

Years Active: 1987-1995

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7 patents (USPTO):Explore Patents
1. 5453215 - Process for producing concentrated laundry detergent by manufacture of (1995-09-26),
2. 5447651 - Process for producing concentrated laundry detergent by manufacture of (1995-09-05),
3. 5055217 - Polymer protected bleach precursors (1991-10-08),
4. 4917811 - Bleach compositions and process for making same (1990-04-17),
5. 4781373 - Leg stretching apparatus (1988-11-01),
6. 4711748 - Preparation of bleach catalyst aggregates of manganese cation (1987-12-08),
7. 4655782 - Bleach composition of detergent base powder and agglomerated (1987-04-07),

Title: The Innovations of Charles F. Irwin

Introduction

Charles F. Irwin is a notable inventor based in Randolph, NJ (US). He has made significant contributions to the field of laundry detergent manufacturing, holding a total of 7 patents. His work has focused on improving the efficiency and effectiveness of detergent products.

Latest Patents

Irwin's latest patents include innovative processes for producing concentrated laundry detergent. One of his patents describes a method for creating detergent powders of high bulk density, which contain both anionic and nonionic surfactants. This process involves spray-drying a low moisture content slurry that includes liquid active surfactants to suspend inorganic solids, including selected builders. Additionally, a viscosity adjuster may be added to enhance processability. Another patent outlines a similar process, but it utilizes a prepared or pre-manufactured blend of liquid active surfactants.

Career Highlights

Throughout his career, Charles F. Irwin has worked with prominent companies in the industry, including Lever Brothers Company and its division, Conopco, Inc. His expertise in detergent formulation has made him a valuable asset in the field.

Collaborations

Irwin has collaborated with several professionals, including William M. Karpusiewicz and Andra J. Vlosky. These collaborations have contributed to the advancement of his innovative processes.

Conclusion

Charles F. Irwin's contributions to the detergent industry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the manufacturing of effective laundry products.

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]
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