Published Technical Disclosure Archive

Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858243_0007_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_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858243_0007_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 chemistry, and film manufacturing techniques

Person of Ordinary Skill (PHOSITA) Profile

A polymer engineer with expertise in film extrusion, material composition, catalyst technologies, and packaging film design, typically holding a MS/PhD in materials science or chemical engineering with 5-10 years industrial experience

Obviousness Rationale

A skilled practitioner 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 choices and known polymer processing techniques. The fundamental film structure remains consistent, with modifications representing incremental improvements within the established technical framework. These variations would be considered routine optimization by one skilled in polymer film engineering.

Obvious Combinations & Variations

Source Patent Element
Uniaxially oriented film with A/B/C/C/B/A layer structure using polyethylene compositions
PTD Variation
Enhanced layer configurations targeting specific packaging applications with modified catalyst compositions
Obviousness Reasoning
Selecting alternative polymer compositions and catalyst systems represents a predictable variation within known material science design parameters
Source Patent Element
Polyethylene films for flexible packaging applications
PTD Variation
Expanded use cases incorporating specialized performance requirements for different packaging environments
Obviousness Reasoning
Adapting film compositions for specific packaging requirements is a standard engineering approach with finite, foreseeable modifications
Source Patent Element
Multi-layered film using Ziegler-Natta catalyzed ultra low density polyethylene
PTD Variation
Alternative catalyst technologies and polymer blend configurations to optimize mechanical and barrier properties
Obviousness Reasoning
Exploring catalyst and polymer blend variations represents a known technique for incrementally improving film performance characteristics
Source Patent Element
Uniaxial orientation process for polyethylene films
PTD Variation
Modified orientation parameters and processing conditions to achieve enhanced mechanical properties
Obviousness Reasoning
Adjusting orientation parameters is a routine optimization strategy well understood by polymer processing engineers
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, with reasonable expectation of success, based on the teachings of US Patent 11858243. The proposed modifications represent predictable engineering solutions within the established technological framework of multi-layered polyethylene film design, thereby rendering potential claims obvious and unpatentable.

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