Enhanced Specialized Variations & Niche Solutions Technical Implementation

Publication ID: 24-11858881_0004_PTD

Published: November 07, 2025

Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Enhanced Specialized Variations & Niche Solutions Technical Implementation,” Published Technical Disclosure No. 24-11858881_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11858881_0004_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. 11,858,881.

Summary of the Inventive Concept

An improved approach to specialized variations & niche solutions that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but specialized variations & niche solutions presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements specialized variations & niche solutions 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 specialized variations & niche solutions 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 specialized variations & niche solutions enhancements.

CPC Classifications

Section	Class	Group
C	C07	C07C253/34
B	B01	B01D3/40
C	C07	C07C255/08

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Chemical engineering and solvent purification technologies, specifically focusing on nitrile solvent processing and chemical separation techniques. Requires expertise in organic chemistry, chemical engineering, and industrial separation processes

Person of Ordinary Skill (PHOSITA) Profile

A chemical engineer or organic chemist with advanced degree, practical experience in solvent purification, familiarity with acid-base extraction techniques, distillation methods, and industrial chemical processing

Obviousness Rationale

A skilled practitioner would recognize that the PTD's specialized variations represent predictable extensions of the source patent's fundamental nitrile solvent purification methodology. The disclosed enhancements leverage known chemical engineering principles and standard modification techniques within the established technological framework. These variations demonstrate incremental improvements that would be readily conceived by someone with ordinary skill in chemical separation technologies.

Obvious Combinations & Variations

Source Patent Element

Nitrile solvent purification using acidic and alkaline aqueous solutions

PTD Variation

Enhanced multi-stage purification process with additional extraction and separation steps

Obviousness Reasoning

Routine optimization of existing purification technique using known chemical engineering principles and predictable separation methodologies

Source Patent Element

pH-based impurity removal technique

PTD Variation

Expanded pH range and modified solution concentrations for targeted impurity elimination

Obviousness Reasoning

Design choice representing standard experimental variation within established chemical processing parameters

Source Patent Element

Distillation step for solvent refinement

PTD Variation

Introduction of fractional distillation and enhanced temperature control mechanisms

Obviousness Reasoning

Known technique for improving separation efficiency using standard industrial chemical engineering approaches

Source Patent Element

Isobutyronitrile as exemplary nitrile solvent

PTD Variation

Extended application to broader range of nitrile solvent classes and molecular structures

Obviousness Reasoning

Predictable technological extension demonstrating generalizability of core purification methodology

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858881, the present technical disclosure renders obvious any patent claims directed to nitrile solvent purification techniques involving multi-stage extraction, pH-controlled impurity removal, and enhanced separation methodologies. A person having ordinary skill in the art would find the disclosed variations to represent straightforward, predictable improvements within the established technological domain of chemical solvent processing.

Original Patent Information

Patent Number	US 11,858,881
Title	Method for purifying nitrile solvent
Assignee(s)	Nippon Soda Co., Ltd.