4. Chemistry: natural resins or derivatives; peptides or proteins;
  5. Proteins, i.e., more than 100 amino acid residues
  6. Scleroproteins, e.g., fibroin, elastin, silk, etc.

Richard A. Berg

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Biocompatible crosslinked composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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Biocompatible synthetic and collagen compositions having a dual-

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent

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Biodegradable matrix and methods for producing same

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent

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Biodegradable matrix and methods for producing same

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent

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Collagen matrix beads for soft tissue repair

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent

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