Modified Clay-Based Antimicrobial Compositions for Diverse Industries

Publication ID: 24-11857655_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Modified Clay-Based Antimicrobial Compositions for Diverse Industries,” Published Technical Disclosure No. 24-11857655_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857655_0007_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. 11,857,655.

Summary of the Inventive Concept

The inventive concept expands the application of modified clay-based antimicrobial compositions to various industries beyond personal care, including medical devices, food processing, water treatment, ship hulls, and wound dressings.

Background and Problem Solved

The original patent disclosed antimicrobial compositions comprising modified clay and nonionic triblock copolymers for personal care applications. However, these compositions have the potential to address broader microbial growth issues in various industries. The inventive concept addresses the limitations of the original patent by exploring new applications and use cases for these compositions.

Detailed Description of the Inventive Concept

The inventive concept involves the application of modified clay-based antimicrobial compositions to diverse industries, leveraging the unique properties of these compositions. In medical devices, the composition can be applied to reduce bacterial growth and prevent hospital-acquired infections. In food processing, the composition can be used to sanitize equipment and reduce the risk of foodborne illnesses. In water treatment, the composition can be employed to reduce bacterial growth and improve water quality. On ship hulls, the composition can prevent biofilm formation, reducing drag and improving fuel efficiency. In wound dressings, the composition can promote wound healing by reducing bacterial growth. The composition's components, including modified clay particles and nonionic triblock copolymers, work synergistically to provide a broad-spectrum antimicrobial effect.

Novelty and Inventive Step

The inventive concept's novelty lies in its application of modified clay-based antimicrobial compositions to entirely new industries, addressing specific microbial growth challenges in each field. The inventive step is the recognition of the composition's potential to solve problems beyond personal care, and the development of methods and systems to integrate these compositions into various industries.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of clay particles, varying ratios of clay to antimicrobial compounds, or the incorporation of additional antimicrobial agents. Variations could also include different methods of application, such as spraying or coating, or the development of new equipment designs to optimize the composition's effectiveness.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential across various industries, including medical devices, food processing, water treatment, ship hulls, and wound dressings. The market for antimicrobial solutions is growing rapidly, driven by increasing concerns about public health, food safety, and environmental sustainability. The inventive concept's ability to address microbial growth challenges in diverse industries positions it for widespread adoption and significant market share.

CPC Classifications

SectionClassGroup
A A61 A61K8/25
A A61 A61K8/416
A A61 A61K8/86
A A61 A61Q11/00

Field of Art

Antimicrobial composition technologies with a focus on personal care, medical devices, and surface treatment applications, involving materials science, polymer chemistry, and microbial control strategies

Person of Ordinary Skill (PHOSITA) Profile

A materials scientist or chemical engineer with expertise in clay modification, antimicrobial formulations, and surface treatment technologies, holding at least a Master's degree with 3-5 years of industrial research experience in developing functional materials

Obviousness Rationale

A PHOSITA would recognize that the source patent's antimicrobial clay composition provides a fundamental technological platform that can be readily extended to diverse industrial applications by applying known surface treatment and antimicrobial principles. The core technological mechanism of modified clay particles with attached antimicrobial compounds remains consistent across different implementation contexts. The PTD's variations represent predictable engineering adaptations that leverage the source patent's core technological innovation.

Obvious Combinations & Variations

Source Patent Element
Antimicrobial composition with modified clay particles and nonionic triblock copolymers
PTD Variation
Application to medical device surfaces to reduce bacterial growth
Obviousness Reasoning
Known technique of applying antimicrobial coatings to medical surfaces, with predictable result of reducing infection risk
Source Patent Element
Clay:antimicrobial compound ratio of 1:0.001 to 1:0.1
PTD Variation
Adjusting composition ratios for specific industrial applications like food processing equipment
Obviousness Reasoning
Routine optimization of material formulation within established concentration ranges, representing a design choice for a PHOSITA
Source Patent Element
Asymmetric 1:1 or 2:1:1 clay particle structures
PTD Variation
Extending composition to water treatment systems for bacterial control
Obviousness Reasoning
Predictable application of established antimicrobial material technology to adjacent technical domains with similar microbial control requirements
Source Patent Element
Nonionic triblock copolymer with specific molecular weight characteristics
PTD Variation
Modifying surface attachment methods for ship hull biofilm prevention
Obviousness Reasoning
Known polymer surface modification techniques applied to a new environmental context, representing an obvious technological adaptation
Source Patent Element
Antimicrobial compound attached to coordinating cations on clay surface
PTD Variation
Integrating composition into wound dressing materials
Obviousness Reasoning
Straightforward translation of existing antimicrobial material technology to wound care applications, utilizing well-understood material interaction principles
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed herein would have been obvious to a person having ordinary skill in the art at the time of invention, as the published technical disclosure represents a predictable extension of the foundational antimicrobial composition technology disclosed in US Patent 11857655, applying known surface treatment and materials science principles to create functionally equivalent implementations across diverse industrial contexts.

Original Patent Information

Patent NumberUS 11,857,655
TitleAntimicrobial compositions comprising modified clay and nonionic triblock copolymers
Assignee(s)Conopco, Inc.