Nison I. Gelperin

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for producing fibrides of synthetic heterochain polymers
- Patent number 4,610,850
- Issue date Sep 9, 1986
- Kalininsky Politekhnichesky Institut USSR
- Vladimir A. Nikiforov
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Gas/liquid interfacial preparation of polyamide fibrids
- Patent number 4,396,758
- Issue date Aug 2, 1983
- Vladimir A. Nikiforov
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus for eliminating residual solvent from crumbled polymer
- Patent number 4,236,958
- Issue date Dec 2, 1980
- Nison I. Gelperin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...