Enhanced Silk Protein Fragment Compositions and Production Methods

Publication ID: 24-11857664_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Silk Protein Fragment Compositions and Production Methods,” Published Technical Disclosure No. 24-11857664_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857664_0001_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. 11,857,664.

Summary of the Inventive Concept

This inventive concept introduces a suite of direct improvements and enhancements to the original stable silk protein fragment compositions, focusing on purity, scalability, tailored molecular weights, bioavailability, and mechanical properties.

Background and Problem Solved

The original patent on stable silk protein fragment compositions has inherent limitations, such as impurities, scalability issues, and limited control over molecular weights and polydispersity. These limitations hinder the widespread adoption of silk-based materials in various industries. The new inventive concept addresses these limitations by introducing novel methods and compositions that enhance the purity, scalability, and properties of silk protein fragments.

Detailed Description of the Inventive Concept

The inventive concept encompasses five key aspects: (1) a method for producing pure and highly scalable silk protein fragment mixture solutions using nanofiltration membranes; (2) a system for generating silk protein fragments with tailored molecular weights and polydispersity using a processor-controlled mechanical fragmentation device and real-time molecular weight analyzer; (3) a composition of silk fibroin protein fragments with enhanced bioavailability, achieved through encapsulation in a biocompatible polymer matrix; (4) a method for creating silk-based composites with improved mechanical properties, involving the combination of silk protein fragments with a cross-linking agent and controlled temperature and pressure profiles; and (5) a device for rapid and efficient production of silk protein fragments, featuring a high-shear mixing chamber and microfluidic channel for precise control of fragmentation conditions.

Novelty and Inventive Step

The new claims introduce novel and non-obvious improvements to the original patent, including the use of nanofiltration membranes, processor-controlled mechanical fragmentation devices, and biocompatible polymer matrices. These innovations enable the production of higher-purity, more scalable, and more tailored silk protein fragments, which were not achievable with the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of filtration membranes, mechanical fragmentation devices, or biocompatible polymer matrices. Additionally, the inventive concept could be adapted for the production of silk protein fragments with specific properties, such as enhanced solubility or thermal stability.

Potential Commercial Applications and Market

The enhanced silk protein fragment compositions and production methods have significant commercial potential in various industries, including biomedical materials, textiles, and cosmetics. The target market includes companies and research institutions seeking to develop novel silk-based materials with improved properties and scalability.

CPC Classifications

SectionClassGroup
A A61 A61K8/64
A A45 A45D33/00
A A61 A61K8/02
A A61 A61K8/0216
A A61 A61K8/042
A A61 A61K8/19
A A61 A61K8/27
A A61 A61K8/29
A A61 A61K8/365
A A61 A61K8/4953
A A61 A61K8/676
A A61 A61K8/735
A A61 A61K8/922
A A61 A61K8/97
A A61 A61K8/9789
A A61 A61K8/9794
A A61 A61K8/987
A A61 A61K9/08
A A61 A61K31/375
A A61 A61K38/00
A A61 A61K38/012
A A61 A61K45/06
A A61 A61K47/02
A A61 A61K47/12
A A61 A61K47/36
A A61 A61Q17/04
A A61 A61Q19/00
A A61 A61Q19/007
A A61 A61Q19/02
A A61 A61Q19/08
C C07 C07K1/12
C C07 C07K14/43586
A A61 A61K2800/591
A A61 A61K2800/72
A A61 A61K2800/74
A A61 A61K2800/75

Original Patent Information

Patent NumberUS 11,857,664
TitleStable silk protein fragment compositions
Assignee(s)EVOLVED BY NATURE, INC.