Specialized Urushiol Cleaning Systems for Niche Environments

Publication ID: 24-11857666_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Urushiol Cleaning Systems for Niche Environments,” Published Technical Disclosure No. 24-11857666_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857666_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,666.

Summary of the Inventive Concept

The inventive concept adapts the original urushiol cleaning composition for specialized, high-security, disaster relief, and extreme weather environments, providing effective solutions for unique operational settings.

Background and Problem Solved

The original patent disclosed a non-buffered detergent composition for removing urushiol from human skin. However, it did not address the specific challenges of high-security environments, disaster relief situations, extreme weather conditions, or areas with limited access to clean water. The new inventive concept solves this problem by providing adapted systems, methods, and kits for these niche environments.

Detailed Description of the Inventive Concept

The inventive concept comprises four main embodiments: a portable, waterproof urushiol cleaning composition dispenser for high-security environments; a method for removing urushiol from human skin in extreme weather conditions using a urushiol cleaning composition containing a high molecular weight, hydrophilic and cross-linked polyacrylic acid polymer and sodium hydroxide; a kit for treating urushiol-induced contact dermatitis in disaster relief situations, including a non-buffered detergent composition and waterproof, portable cleaning wipes; and a system for treating urushiol-induced contact dermatitis in areas with limited access to clean water, featuring a portable, solar-powered water purification unit and a non-buffered detergent composition.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptation of the original urushiol cleaning composition for specialized environments, introducing unique components and operational features that address specific challenges in these niches. The inventive step is in the combination of these components and features to provide effective solutions for high-security, disaster relief, extreme weather, and limited-access environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different types of surfactants or polymers, varying the concentration of the detergent composition, or incorporating additional features such as temperature control or UV light disinfection. Variations could also include adapting the systems, methods, and kits for use in other niche environments, such as high-altitude or underwater settings.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in industries such as defense, disaster relief, and environmental services, where effective urushiol removal is critical in unique operational environments. The market for specialized urushiol cleaning systems is expected to grow as these industries increasingly require tailored solutions for their specific needs.

CPC Classifications

SectionClassGroup
A A61 A61K8/8147
A A61 A61K8/342
A A61 A61K8/345
A A61 A61K8/42
A A61 A61K8/44
A A61 A61K8/60
A A61 A61K8/86
A A61 A61K8/894
A A61 A61Q19/10
A A61 A61K2800/30
A A61 A61K2800/41
A A61 A61K2800/596

Field of Art

Chemical formulation and treatment technologies for dermatological applications, specifically focused on surfactant-based cleaning compositions for removing organic compounds from skin surfaces

Person of Ordinary Skill (PHOSITA) Profile

A chemical engineer or formulation specialist with expertise in surfactant chemistry, dermatological treatments, and environmental adaptation of cleaning compositions, typically holding a MS or PhD in chemistry or chemical engineering

Obviousness Rationale

A PHOSITA would recognize that the source patent's urushiol cleaning composition provides a fundamental framework that can be readily adapted to specialized environmental contexts. The core chemical composition remains substantially unchanged, with modifications primarily involving packaging, delivery mechanisms, and contextual application strategies. These variations represent predictable extensions of the original patent's core technological principles.

Obvious Combinations & Variations

Source Patent Element
Non-buffered detergent composition with C12 surfactants and polyethylene glycol ether
PTD Variation
Portable, waterproof urushiol cleaning composition dispenser for high-security environments
Obviousness Reasoning
Packaging and delivery method represents a routine design modification that would be obvious to a PHOSITA seeking to adapt the cleaning composition for specialized use cases
Source Patent Element
High molecular weight, hydrophilic cross-linked polyacrylic acid polymer and sodium hydroxide
PTD Variation
Method for removing urushiol in extreme weather conditions using temperature-specific rinsing
Obviousness Reasoning
Incorporating temperature parameters represents a predictable optimization of the existing cleaning method, utilizing known principles of chemical interaction and surfactant effectiveness
Source Patent Element
Non-buffered detergent composition with synthetic fatty alcohol surfactants
PTD Variation
Solar-powered water purification unit combined with urushiol cleaning composition for limited access environments
Obviousness Reasoning
Integrating water purification technology with the existing cleaning composition represents a logical engineering solution for expanding the composition's utility in resource-constrained settings
Source Patent Element
Sodium lauroyl sarcosinate as a C12 surfactant
PTD Variation
Waterproof, portable cleaning wipes for disaster relief situations
Obviousness Reasoning
Transforming a liquid composition into a wipe format is a standard product development technique that would be obvious to a PHOSITA seeking alternative delivery mechanisms
Source Patent Element
Non-ionic polyethylene glycol ether surfactants
PTD Variation
High-altitude environment adaptation with specific water pressure parameters
Obviousness Reasoning
Adjusting application parameters for different environmental conditions represents a routine engineering optimization within the known capabilities of the original composition
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this Published Technical Disclosure would have been obvious to a Person Having Ordinary Skill In The Art at the time of invention, as they represent predictable extensions of the fundamental technological principles established in US Patent 11857666, involving routine modifications to packaging, delivery mechanisms, and environmental adaptation strategies for a known urushiol cleaning composition.

Original Patent Information

Patent NumberUS 11,857,666
TitleDetergent compositions for washing urushiol and methods of treating urushiol induced contact dermatitis
Assignee(s)The William M. Yarbrough Foundation