Enhanced Lubricant Formulations with Antimicrobial Properties

Publication ID: 24-11857674_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Lubricant Formulations with Antimicrobial Properties,” Published Technical Disclosure No. 24-11857674_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857674_0001_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. 11,857,674.

Summary of the Inventive Concept

The present inventive concept relates to novel lubricant compositions that combine the benefits of silicone polymers and antimicrobial agents, providing enhanced lubricity, comfort, and safety for users.

Background and Problem Solved

The original patent disclosed lubricant compositions with antimicrobial agents, but had limitations in terms of pH stability, skin hydration, and overall comfort. The present inventive concept addresses these limitations by introducing pH buffering agents, moisturizing agents, and optimized silicone polymer-antimicrobial agent ratios.

Detailed Description of the Inventive Concept

The inventive concept comprises lubricant compositions featuring a hybrid of silicone polymers (50-80% w/w) and antimicrobial agents (10-30% w/w), with the addition of pH buffering agents to maintain a pH range of 4.5-6.5. The silicone polymers may be a mixture of dimethicone and cyclomethicone, while the antimicrobial agents may include hypochlorite, acids, or salts thereof. The compositions may further include moisturizing agents such as glycerin, panthenol, or hyaluronic acid to enhance skin hydration and comfort. These compositions can be used in various applications, including personal lubricants, medical devices, and industrial machinery.

Novelty and Inventive Step

The new claims introduce the concept of pH buffering agents and moisturizing agents, which are not present in the original patent. The optimized ratios of silicone polymers and antimicrobial agents, as well as the specific combinations of these components, provide a non-obvious improvement over the prior art.

Alternative Embodiments and Variations

Alternative embodiments may include varying the type and amount of silicone polymers, antimicrobial agents, and pH buffering agents. Additional variations may involve incorporating other comfort-enhancing agents, such as aloe vera or vitamin E, or using different manufacturing processes to create the lubricant compositions.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the personal care, medical device, and industrial machinery industries. The enhanced lubricant formulations can provide improved user comfort, safety, and convenience, making them attractive to manufacturers and consumers alike.

CPC Classifications

SectionClassGroup
A A61 A61K9/0034
A A61 A61K8/0216
A A61 A61K8/20
A A61 A61K8/24
A A61 A61K8/25
A A61 A61K8/891
A A61 A61K33/20
A A61 A61K47/02
A A61 A61K47/34
A A61 A61L31/14
A A61 A61L31/16
A A61 A61Q17/005
A A61 A61Q19/00
A A61 A61L2300/404
A A61 A61L2400/10

Field of Art

Personal care and medical lubricant formulations, with expertise in antimicrobial compositions, polymer chemistry, and emulsion technologies. Requires advanced degree in chemistry, materials science, or related field with specialized knowledge in formulation design and surface interactions

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with knowledge of silicone polymers, antimicrobial agents, and lubricant composition techniques. Capable of understanding chemical interactions, formulation optimization, and applying known techniques across related technological domains

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's lubricant composition. The addition of pH buffering and moisturizing agents are standard optimization techniques in personal care formulations. The specific combinations of silicone polymers, antimicrobial agents, and comfort-enhancing components represent routine design choices within the established technological framework of the source patent.

Obvious Combinations & Variations

Source Patent Element
Electrolyzed saline solution with hypochlorite and silicone polymer
PTD Variation
Adding pH buffering agents to control composition acidity
Obviousness Reasoning
Controlling pH is a known technique in lubricant formulations to enhance stability and compatibility of active ingredients. A PHOSITA would find it obvious to adjust pH using standard buffering agents to optimize performance.
Source Patent Element
Dimethicone as polymeric organosilicon compound
PTD Variation
Introducing mixture of dimethicone and cyclomethicone
Obviousness Reasoning
Combining multiple silicone polymers is a predictable approach to modifying rheological properties. A PHOSITA would recognize that polymer blending is a standard method for fine-tuning lubricant characteristics.
Source Patent Element
Basic lubricant composition with antimicrobial agents
PTD Variation
Adding moisturizing agents like glycerin and hyaluronic acid
Obviousness Reasoning
Incorporating skin-conditioning agents is a known technique in personal care formulations. A PHOSITA would find it obvious to enhance user comfort by adding standard moisturizing ingredients.
Source Patent Element
Hypochlorite-based antimicrobial system
PTD Variation
Combining hypochlorite with citric acid as complementary antimicrobial agents
Obviousness Reasoning
Combining multiple antimicrobial agents with synergistic properties is a predictable optimization strategy. A PHOSITA would recognize the potential for enhanced antimicrobial efficacy through strategic agent selection.
Source Patent Element
Sodium magnesium silicate as rheology modifier
PTD Variation
Expanding rheological modification through polymer ratio adjustments
Obviousness Reasoning
Modifying polymer ratios to control viscosity and flow characteristics is a standard formulation technique. A PHOSITA would find it obvious to systematically explore composition variations to achieve desired performance parameters.
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857674, the present publication demonstrates that the claimed lubricant composition variations would have been obvious to a person having ordinary skill in the art at the time of the invention. The disclosed modifications represent predictable combinations of known elements, employing standard formulation techniques to optimize antimicrobial lubricant compositions, and therefore lack the requisite non-obviousness for patent protection under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,674
TitleLubricant formulations
Assignee(s)REOXCYN, LLC