Roger R. Gaudette

Person

Litchfield, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of alkali metal acyl amino acids
- Patent number 5,710,295
- Issue date Jan 20, 1998
- Hampshire Chemical Corp.
- Richard P. Woodbury
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of ethylenediaminetriacetic acid
- Patent number 5,449,822
- Issue date Sep 12, 1995
- Hampshire Chemical Corp.
- Brian A. Parker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of ethylenediaminetriacetic acid
- Patent number 5,250,728
- Issue date Oct 5, 1993
- Hampshire Chemical Corp.
- Brian A. Parker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Control of corrosion in aqueous systems using certain phosphonometh...
- Patent number 5,167,866
- Issue date Dec 1, 1992
- W. R. Grace & Co.-Conn.
- Chih M. Hwa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Control of scale in aqueous systems using certain phosphonomethyl a...
- Patent number 5,096,595
- Issue date Mar 17, 1992
- W. R. Grace & Co.-Conn.
- Chih M. Hwa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Control of scale in aqueous systems using certain phosphonomethyl a...
- Patent number 5,069,798
- Issue date Dec 3, 1991
- W. R. Grace & Co.-Conn.
- Chih M. Hwa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts the...
- Patent number 5,051,532
- Issue date Sep 24, 1991
- W. R. Grace & Co.-Conn.
- Chih M. Hwa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Control of corrosion in aqueous systems using certain phosphonometh...
- Patent number 5,019,343
- Issue date May 28, 1991
- W. R. Grace & Co.-Conn.
- Chih M. Hwa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hydantoins as animal food supplements
- Patent number 4,871,552
- Issue date Oct 3, 1989
- W. R. Grace & Co.-Conn.
- Robert W. Bragdon
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Hydantoins as animal food supplements
- Patent number 4,744,990
- Issue date May 17, 1988
- W. R. Grace & Co.
- Robert W. Bragdon
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for preparing chelating agents
- Patent number 4,338,460
- Issue date Jul 6, 1982
- W. R. Grace & Co.
- Roger R. Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N,N'Di(hydroxybenzyl) 1,3-propanediamine N,N'-diacetonitriles
- Patent number 4,225,502
- Issue date Sep 30, 1980
- W. R. Grace & Co.
- Roger R. Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Secondary alkylidene hydantoins
- Patent number 4,175,198
- Issue date Nov 20, 1979
- W. R. Grace & Co.
- Roger R. Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal chelates
- Patent number 4,152,345
- Issue date May 1, 1979
- W. R. Grace & Co.
- Roger R. Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N,N-di-(hydroxybenzyl)-trimethylene diaminediacetic acids
- Patent number 4,069,249
- Issue date Jan 17, 1978
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hexahydropyrimidine-1,3-diacetonitriles and processes for preparing...
- Patent number 4,059,548
- Issue date Nov 22, 1977
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Hydroxyhexahydropyrimidine
- Patent number 4,058,528
- Issue date Nov 15, 1977
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N,N'-Dicarboxymethyl-1,3-propanediamines
- Patent number 4,058,527
- Issue date Nov 15, 1977
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N,N'-dicarboxymethyl-1,3-propanediamines
- Patent number 3,988,367
- Issue date Oct 26, 1976
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing iminodiacetonitrile
- Patent number 3,988,360
- Issue date Oct 26, 1976
- W. R. Grace & Co.
- Roger Robert Gaudette
- C07 - ORGANIC CHEMISTRY

Roger R. Gaudette

Person

Patents Grantslast 30 patents

Preparation of alkali metal acyl amino acids

Preparation of ethylenediaminetriacetic acid

Preparation of ethylenediaminetriacetic acid

Control of corrosion in aqueous systems using certain phosphonometh...

Control of scale in aqueous systems using certain phosphonomethyl a...

Control of scale in aqueous systems using certain phosphonomethyl a...

N,N-bis-phosphonomethyl taurine N-oxide and water-soluble salts the...

Control of corrosion in aqueous systems using certain phosphonometh...

Hydantoins as animal food supplements

Hydantoins as animal food supplements

Process for preparing chelating agents

N,N'Di(hydroxybenzyl) 1,3-propanediamine N,N'-diacetonitriles

5-Secondary alkylidene hydantoins

Metal chelates

N,N-di-(hydroxybenzyl)-trimethylene diaminediacetic acids

Hexahydropyrimidine-1,3-diacetonitriles and processes for preparing...

5-Hydroxyhexahydropyrimidine

Preparation of N,N'-Dicarboxymethyl-1,3-propanediamines

Preparation of N,N'-dicarboxymethyl-1,3-propanediamines

Process for preparing iminodiacetonitrile