Enhanced Synergistic Combinations Technical Implementation

Publication ID: 24-11858156_0008_PTD

Published: October 29, 2025

Category:Synergistic Combinations

Legal Citation

pr1or.art Inc., “Enhanced Synergistic Combinations Technical Implementation,” Published Technical Disclosure No. 24-11858156_0008_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858156_0008_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 strip design and composition for razor cartridges, requiring expertise in polymer chemistry, materials engineering, and product design for personal grooming devices

Person of Ordinary Skill (PHOSITA) Profile

A materials engineer or product development specialist with advanced degree in polymer science or mechanical engineering, having 3-5 years experience in developing personal care and shaving technologies, familiar with polymer blending techniques and material compatibility

Obviousness Rationale

A PHOSITA would recognize that the PTD's synergistic combinations represent predictable variations of the source patent's fundamental lubricating strip technology. The disclosed enhancements leverage known polymer engineering principles and design optimization strategies inherent in the original patent's framework. These variations demonstrate standard incremental improvements that would be readily conceived by a skilled practitioner seeking to refine lubricating strip performance.

Obvious Combinations & Variations

Source Patent Element

Multi-layer lubricating strip with different colored polymer layers

PTD Variation

Enhanced layer composition with modified polymer weight ratios and interaction mechanisms

Obviousness Reasoning

Predictable material science optimization using known polymer blending techniques, representing a routine design choice for improving lubrication performance

Source Patent Element

Water-soluble and water-insoluble polymer combinations

PTD Variation

Extended polymer interaction strategies with refined weight ratio configurations

Obviousness Reasoning

Finite set of possible polymer combinations that a PHOSITA would recognize as obvious engineering modifications

Source Patent Element

Cross-sectional layered strip design

PTD Variation

Advanced geometric configurations maintaining core structural principles

Obviousness Reasoning

Routine geometric variation using known manufacturing techniques, representing standard product design evolution

Source Patent Element

Lubricating material color differentiation

PTD Variation

Enhanced color-based performance indicators and material tracking mechanisms

Obviousness Reasoning

Known technique for visual performance monitoring and material state identification

Source Patent Element

Polymer composition for razor cartridge lubrication

PTD Variation

Refined polymer interaction strategies with improved performance characteristics

Obviousness Reasoning

Predictable result of applying standard materials engineering principles to existing technological framework

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 materials engineering principles and design optimization strategies within the established technological domain of razor cartridge lubricating strip technologies.

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.