Nelson S. Marans

Person

Silver Spring, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Catalytic method for preparing symmetrical and nonsymmetrical dialk...
- Patent number 4,910,340
- Issue date Mar 20, 1990
- W. R. Grace & Co.-Conn.
- Nelson S. Marans
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water soluble linear polyethyleneimine derivative from water-insolu...
- Patent number 4,614,762
- Issue date Sep 30, 1986
- W. R. Grace & Co.
- Nelson S. Marans
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hindered aliphatic monoisocyanates
- Patent number 4,510,097
- Issue date Apr 9, 1985
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of solid polyurethane particles
- Patent number 4,403,083
- Issue date Sep 6, 1983
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Viscosifying agent
- Patent number 4,316,807
- Issue date Feb 23, 1982
- W. R. Grace & Co.
- Carl V. McDaniel
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dimensionally stable polyurethane foam
- Patent number 4,201,846
- Issue date May 6, 1980
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Removal of unreacted tolylene diisocyanate from urethane prepolymers
- Patent number 4,169,175
- Issue date Sep 25, 1979
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retardant urethane and method
- Patent number 4,165,411
- Issue date Aug 21, 1979
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biodegradable hydrophilic foams and method
- Patent number 4,132,839
- Issue date Jan 2, 1979
- W. R. Grace & Co.
- Nelson S. Marans
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for making a wettable polyolefin battery separator
- Patent number 4,110,143
- Issue date Aug 29, 1978
- W. R. Grace & Co.
- Joseph A. Cogliano
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Removal of unreacted tolylene diisocyanate from urethane prepolymers
- Patent number 4,061,662
- Issue date Dec 6, 1977
- W. R. Grace & Co.
- Nelson Samuel Marans
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Biodegradable hydrophilic foams and method
- Patent number 4,049,592
- Issue date Sep 20, 1977
- W. R. Grace & Co.
- Nelson Samuel Marans
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Flame retardant permanent press
- Patent number 4,045,396
- Issue date Aug 30, 1977
- W. R. Grace & Co.
- Nelson Samuel Marans
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Thickened polyester composition containing ultrafine polypropylene...
- Patent number 4,008,294
- Issue date Feb 15, 1977
- W. R. Grace & Co.
- Nelson S. Marans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Inhibition of scale on saline water heat exchange surfaces with imi...
- Patent number 3,981,779
- Issue date Sep 21, 1976
- W. R. Grace & Co.
- Jacob Block
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for concentrating brine
- Patent number 3,964,960
- Issue date Jun 22, 1976
- W. R. Grace & Co.
- Nelson S. Marans
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Novel hydrophobic polyurethane foams
- Patent number 3,959,191
- Issue date May 25, 1976
- W. R. Grace & Co.
- Clifton L. Kehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Detergent and bleaching agent comprising sodium perborate and sodiu...
- Patent number 3,956,157
- Issue date May 11, 1976
- W. R. Grace & Co.
- Nelson S. Marans
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Nelson S. Marans

Person

Patents Grantslast 30 patents

Catalytic method for preparing symmetrical and nonsymmetrical dialk...

Water soluble linear polyethyleneimine derivative from water-insolu...

Hindered aliphatic monoisocyanates

Preparation of solid polyurethane particles

Viscosifying agent

Dimensionally stable polyurethane foam

Removal of unreacted tolylene diisocyanate from urethane prepolymers

Flame retardant urethane and method

Biodegradable hydrophilic foams and method

Process for making a wettable polyolefin battery separator

Removal of unreacted tolylene diisocyanate from urethane prepolymers

Biodegradable hydrophilic foams and method

Flame retardant permanent press

Thickened polyester composition containing ultrafine polypropylene...

Inhibition of scale on saline water heat exchange surfaces with imi...

Process for concentrating brine

Novel hydrophobic polyurethane foams

Detergent and bleaching agent comprising sodium perborate and sodiu...