William K. Langdon

Person

Grosse Ile, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Acetal group-containing non-ionic surfactants
- Patent number 4,519,950
- Issue date May 28, 1985
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for purifying reaction products containing higher-alkyl glyc...
- Patent number 4,510,306
- Issue date Apr 9, 1985
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Non-ionic surface-active agents coupled with carbonates or carboxyl...
- Patent number 4,504,418
- Issue date Mar 12, 1985
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Non-ionic surfactants containing acetal groups
- Patent number 4,408,084
- Issue date Oct 4, 1983
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbonate and carboxylic acid ester group-containing non-ionic surf...
- Patent number 4,353,834
- Issue date Oct 12, 1982
- BASF Wyandotte Corporation
- William K. Langdon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fiber lubricants yielding low residues upon oxidation
- Patent number 4,314,000
- Issue date Feb 2, 1982
- BASF Wyandotte Corporation
- Basil Thir
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Surfactants derived from the reaction product of polyoxyalkylene po...
- Patent number 4,287,078
- Issue date Sep 1, 1981
- BASF Wyandotte Corporation
- William K. Langdon
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyalkylene polyamine ether derivatives of polyoxyalkylene compounds
- Patent number 4,281,199
- Issue date Jul 28, 1981
- BASF Wyandotte Corporation
- William K. Langdon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Oxyalkylated polyglycerols and water-based lubricants prepared ther...
- Patent number 4,265,774
- Issue date May 5, 1981
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyoxyalkylene polyamine detergent compositions
- Patent number 4,261,704
- Issue date Apr 14, 1981
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fiber lubricants based upon ethylene oxide capped polyethers of tet...
- Patent number 4,198,464
- Issue date Apr 15, 1980
- BASF Wyandotte Corporation
- Robert B. Login
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for preparing polyalkylene polyamine polyethers
- Patent number 4,191,820
- Issue date Mar 4, 1980
- BASF Wyandotte Corporation
- William K. Langdon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-block coupled polyoxyalkylene copolymer surfactants
- Patent number 4,189,609
- Issue date Feb 19, 1980
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heteric/block polyoxyalkylene compounds as crude oil demulsifiers
- Patent number 4,183,821
- Issue date Jan 15, 1980
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amine-coupled polyepichlorohydrin and polyamines derived therefrom
- Patent number 4,178,434
- Issue date Dec 11, 1979
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fuels containing polyoxyalkylene ether demulsifiers
- Patent number 4,125,382
- Issue date Nov 14, 1978
- BASF Wyandotte Corporation
- Edward F. O'Brien
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Polyether polyols and method of preparing same
- Patent number 4,113,785
- Issue date Sep 12, 1978
- BASF Wyandotte Corporation
- Herbert Helfert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nonionic surfactants
- Patent number 4,086,279
- Issue date Apr 25, 1978
- BASF Wyandotte Corporation
- William Keith Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glycol antifreeze mixtures
- Patent number 4,077,895
- Issue date Mar 7, 1978
- BASF Wyandotte Corporation
- William Keith Langdon
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Glycol antifreeze mixtures
- Patent number 4,077,894
- Issue date Mar 7, 1978
- BASF Wyandotte Corporation
- William Keith Langdon
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Multi-block coupled polyoxyalkylene copolymer surfactants
- Patent number 4,072,704
- Issue date Feb 7, 1978
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly branched polyether polyols of high molecular weight
- Patent number 4,061,684
- Issue date Dec 6, 1977
- BASF Wyandotte Corporation
- Herbert Helfert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Glycoside polyethers
- Patent number 4,011,389
- Issue date Mar 8, 1977
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of rejuvenating alkali-cell diaphragms
- Patent number 3,971,706
- Issue date Jul 27, 1976
- BASF Wyandotte Corporation
- Stanley T. Hirozawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Alkali stable polyoxyethylene acetal surfactants
- Patent number 3,954,886
- Issue date May 4, 1976
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multi-block polyacetal copolymer surfactants
- Patent number 3,931,337
- Issue date Jan 6, 1976
- BASF Wyandotte Corporation
- William K. Langdon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydroxyalkylamino glycosides and process of preparation
- Patent number 3,931,148
- Issue date Jan 6, 1976
- BASF Wyandotte Corporation
- William K. Langdon
- C07 - ORGANIC CHEMISTRY

William K. Langdon

Person

Patents Grantslast 30 patents

Acetal group-containing non-ionic surfactants

Method for purifying reaction products containing higher-alkyl glyc...

Non-ionic surface-active agents coupled with carbonates or carboxyl...

Non-ionic surfactants containing acetal groups

Carbonate and carboxylic acid ester group-containing non-ionic surf...

Fiber lubricants yielding low residues upon oxidation

Surfactants derived from the reaction product of polyoxyalkylene po...

Polyalkylene polyamine ether derivatives of polyoxyalkylene compounds

Oxyalkylated polyglycerols and water-based lubricants prepared ther...

Polyoxyalkylene polyamine detergent compositions

Fiber lubricants based upon ethylene oxide capped polyethers of tet...

Process for preparing polyalkylene polyamine polyethers

Multi-block coupled polyoxyalkylene copolymer surfactants

Heteric/block polyoxyalkylene compounds as crude oil demulsifiers

Amine-coupled polyepichlorohydrin and polyamines derived therefrom

Fuels containing polyoxyalkylene ether demulsifiers

Polyether polyols and method of preparing same

Nonionic surfactants

Glycol antifreeze mixtures

Glycol antifreeze mixtures

Multi-block coupled polyoxyalkylene copolymer surfactants

Highly branched polyether polyols of high molecular weight

Glycoside polyethers

Method of rejuvenating alkali-cell diaphragms

Alkali stable polyoxyethylene acetal surfactants

Multi-block polyacetal copolymer surfactants

Hydroxyalkylamino glycosides and process of preparation