| Patent Number |
Title Of Patent |
Date Issued |
| 4153670 |
Method of treating an alkali metal sulfide liquor |
May 8, 1979 |
| 4150958 |
Treatment of waste liquor |
April 24, 1979 |
| 4149946 |
Recovery of spent pickle liquor and iron metal |
April 17, 1979 |
| 4148700 |
Method for purifying the liquor of a galvanizing process plant after contamination |
April 10, 1979 |
| 4142967 |
Process for enhancing recovery of tall oil soap from black liquor |
March 6, 1979 |
| 4141785 |
Process for recovery of chemicals from pulping waste liquor |
February 27, 1979 |
| 4135968 |
Spent liquor treatment |
January 23, 1979 |
| 4134787 |
Delignification of lignocellulosic material with an alkaline liquor containing a cyclic amino co... |
January 16, 1979 |
| 4132636 |
Method for treating gas liquor |
January 2, 1979 |
| 4127993 |
Method and generator unit of an absorption heat pump system for separating a rich liquor into a ... |
December 5, 1978 |
| 4128465 |
Electrodialysis of pickle liquor |
December 5, 1978 |
| 4116759 |
Preparation of liquor for delignification or alkali treatment by autocaustization, and the prepa... |
September 26, 1978 |
| 4115079 |
Removing pollutants from aqueous liquor used to scrub fuel gasification product |
September 19, 1978 |
| 4111743 |
Method of recovering heat as well as fractions containing volatile alcohols and sulphur compound... |
September 5, 1978 |
| 4112061 |
Production of sodium sulfite utilizing mother liquor from the sodium metabisulfite process |
September 5, 1978 |
| 4108734 |
Process for the distillation of weak ammonia liquor |
August 22, 1978 |
| 4108735 |
Method for improved distillation of ammonia from weak ammonia liquor |
August 22, 1978 |
| 4104028 |
Method of titrating liquor |
August 1, 1978 |
| 4104365 |
Method of separating sulfuric acid from neutral sodium sulfate in spent chlorine dioxide generat... |
August 1, 1978 |
| 4094735 |
Method of pulping with sulfite liquor containing formic acid esters |
June 13, 1978 |
| 4093531 |
Apparatus for concentration and purification of a cell liquor in an electrolytic cell |
June 6, 1978 |
| 4089644 |
Method and apparatus for regulating the rate of dye adsorption by the number of dye liquor cycle... |
May 16, 1978 |
| 4089675 |
Combination beneficiation ilmenite digestion liquor reduction process |
May 16, 1978 |
| 4087253 |
Method of obtaining caustic soda from a sodium chloride liquor containing sulphate ions recovere... |
May 2, 1978 |
| 4085000 |
Method of recovering tall-oil soap from kraft black liquor |
April 18, 1978 |
| 4085015 |
Electrolysis cell liquor emission control process |
April 18, 1978 |
| 4083925 |
Method for removing ferrous iron from alkali metal aluminate liquor |
April 11, 1978 |
| 4083931 |
Process for treating aldol-condensation polyol waste liquor |
April 11, 1978 |
| 4076948 |
Process for treatment of adipic acid mother liquor |
February 28, 1978 |
| 4073728 |
Process for treating flushing liquor |
February 14, 1978 |
| 4073955 |
Apparatus and method for aging liquor |
February 14, 1978 |
| 4061531 |
Coke oven gas contact with liquor concentrate |
December 6, 1977 |
| 4061718 |
Method for the recovery of ammonia from liquor from the filters of ammonia-soda plants |
December 6, 1977 |
| 4060156 |
Liquor trunk |
November 29, 1977 |
| 4058433 |
Conversion of sulfur in blank liquor to eliminate odorous emissions and facilitate the collectio... |
November 15, 1977 |
| 4057473 |
Method of reducing cell liquor header corrosion |
November 8, 1977 |
| 4053352 |
Method for producing oxidized white liquor |
October 11, 1977 |
| 4050484 |
Liquor-floating device |
September 27, 1977 |
| 4049489 |
Method of producing pulp and burning waste liquor obtained thereby |
September 20, 1977 |
| 4049787 |
Process for separating sulphur in the form of hydrogen sulphide from clarified green liquor obta... |
September 20, 1977 |
| 4047405 |
Apparatus for applying dye liquor to knit/deknit tubular rolls |
September 13, 1977 |
| 4046683 |
Process for separating suspended metal oxide and metal hydroxide solids from a mother liquor |
September 6, 1977 |
| 4045324 |
Cell liquor emission control |
August 30, 1977 |
| 4042674 |
Process for treating the mother liquor by cooling in the production of anhydrous sodium dithioni... |
August 16, 1977 |
| 4042675 |
Process for treating the mother liquor by pH adjusting in the production of anhydrous sodium dit... |
August 16, 1977 |
| D245421 |
Liquor dispenser |
August 16, 1977 |
| 4036038 |
Apparatus for low liquor ratio wet processing of textile fabric |
July 19, 1977 |
| 4036680 |
Delignification of lignocellulosic material with a soda pulping liquor containing a Diels Alder ... |
July 19, 1977 |
| 4036681 |
Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels A... |
July 19, 1977 |
| 4036717 |
Method for concentration and purification of a cell liquor in an electrolytic cell |
July 19, 1977 |
