Enhanced Synergistic Combinations Technical Implementation

Publication ID: 24-11858156_0003_PTD

Published: October 29, 2025

Category:Synergistic Combinations

Legal Citation

pr1or.art Inc., “Enhanced Synergistic Combinations Technical Implementation,” Published Technical Disclosure No. 24-11858156_0003_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858156_0003_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. 11,858,156.

Summary of the Inventive Concept

An improved approach to synergistic combinations that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but synergistic combinations presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements synergistic combinations enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting synergistic combinations improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from synergistic combinations enhancements.

CPC Classifications

Section	Class	Group
B	B26	B26B21/443

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Razor and shaving technology, specifically focused on lubricating strips for razor cartridges, requiring expertise in polymer chemistry, materials science, and mechanical design of personal grooming devices

Person of Ordinary Skill (PHOSITA) Profile

A technical professional with a bachelor's or master's degree in materials engineering, polymer science, or mechanical engineering, with 3-5 years of experience in developing personal care and shaving product components

Obviousness Rationale

A person skilled in the art would recognize that the PTD's synergistic combinations represent predictable variations of the source patent's core lubricating strip technology. The disclosed enhancements leverage known polymer engineering techniques and design principles inherent in the original patent's multilayer lubrication approach. These variations demonstrate standard iterative improvements that would be apparent to a skilled practitioner seeking to optimize razor cartridge performance.

Obvious Combinations & Variations

Source Patent Element

Multilayer lubricating strip with different colored polymer layers

PTD Variation

Enhanced synergistic combinations implementing additional layer complexity and polymer ratio modifications

Obviousness Reasoning

Predictable extension of existing multilayer design using known polymer engineering techniques, representing a routine optimization of existing technological framework

Source Patent Element

Water-soluble and water-insoluble polymer composition

PTD Variation

Modified polymer weight ratios and interaction mechanisms to improve lubrication performance

Obviousness Reasoning

Routine material science approach of adjusting polymer compositions to achieve incremental performance improvements, well within ordinary skill in the art

Source Patent Element

Razor cartridge lubrication system with distinct layer characteristics

PTD Variation

Implementation of advanced synergistic combination techniques to enhance layer interaction and performance

Obviousness Reasoning

Systematic exploration of design variations using known material science principles, representing an obvious technical progression

35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. § 103, the technical variations disclosed herein 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 foundational teachings in US Patent 11858156, utilizing standard engineering approaches and known techniques in polymer composition and razor cartridge design.

Original Patent Information

Patent Number	US 11,858,156
Title	Lubricating strip for a razor cartridge and razor cartridge using the same
Assignee(s)	DORCO CO., LTD.