Published Technical Disclosure Archive

Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858243_0002_PTD
Published: October 29, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Enhanced New Applications & Use Cases Technical Implementation,” Published Technical Disclosure No. 24-11858243_0002_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858243_0002_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. 11,858,243.

Summary of the Inventive Concept

An improved approach to new applications & use cases that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but new applications & use cases presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements new applications & use cases 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 new applications & use cases 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 new applications & use cases enhancements.

CPC Classifications

SectionClassGroup
B B32 B32B27/327
B B32 B32B27/08
B B32 B32B27/32
C C08 C08L23/06
B B32 B32B2250/242
B B32 B32B2270/00
B B32 B32B2307/30
B B32 B32B2307/516
B B32 B32B2307/72
B B32 B32B2323/043
B B32 B32B2323/046
B B32 B32B2439/70
B B32 B32B2553/00
C C08 C08L2207/064
C C08 C08L2314/02
C C08 C08L2314/06

Field of Art

Polymer film engineering, specifically multi-layered polyethylene films for packaging applications, involving materials science, polymer processing, and film manufacturing technologies

Person of Ordinary Skill (PHOSITA) Profile

A polymer engineer with expertise in film extrusion, material composition, catalysis techniques, and packaging film design, holding at least a bachelor's degree in materials science or chemical engineering with 3-5 years of industrial experience

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's multi-layered film architecture by applying standard engineering design approaches and known polymer processing techniques to expand application domains while maintaining core structural principles.

Obvious Combinations & Variations

Source Patent Element
Uniaxially oriented film with A/B/C/C/B/A layer structure using polyethylene and catalyst-specific compositions
PTD Variation
Enhanced film configurations targeting new packaging use cases with modified layer compositions and processing parameters
Obviousness Reasoning
Routine material substitution and layer optimization are standard practices in polymer film engineering, allowing predictable performance improvements
Source Patent Element
Ziegler-Natta catalyzed ultra low density polyethylene in specific layers
PTD Variation
Alternative catalyst systems and polymer formulations maintaining similar mechanical and thermal characteristics
Obviousness Reasoning
Selection of equivalent catalyst technologies represents a known design choice with foreseeable outcomes for skilled practitioners
Source Patent Element
Food packaging applications with specific thermal and mechanical requirements
PTD Variation
Extended application domains leveraging similar film structural principles across different packaging contexts
Obviousness Reasoning
Adapting film architectures across related packaging markets is a predictable engineering approach using established material science principles
Source Patent Element
Machine direction orientation techniques for polyethylene films
PTD Variation
Modified orientation processes and supplemental processing techniques to enhance film performance
Obviousness Reasoning
Process parameter adjustments represent incremental improvements well within a PHOSITA's problem-solving capabilities
Source Patent Element
Multi-layer film composition with specific density and melting point characteristics
PTD Variation
Refined layer compositions maintaining core structural relationships while introducing marginal performance enhancements
Obviousness Reasoning
Material property optimization through systematic compositional variations is a standard engineering methodology
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 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 11858243, employing routine engineering techniques and known polymer processing methodologies to achieve foreseeable performance improvements in multi-layered film architectures.

Original Patent Information

Patent NumberUS 11,858,243
TitleMulti-layered films oriented in the machine direction and articles comprising the same
Assignee(s)Dow Global Technologies LLC