Detergent composition and method for preparing same

Claim 3

FLOWING (A) A THIN FILM OF LIQUID A-OLEFIN HAVING FORM 10 TO 25 CARBON ATOMS THROUGH A REACTION ZONE HAVING A LENGTH OF AT LEAST ABOUT 100 CM. AND THEREIN CONTACTING SAID A-OLEFIN WITH (B) A REACTANT GAS CONTAINING FROM 1 TO 10%, BY VOLUME, OF SO3 AND THE BLANCE INERT GAS, THE REACTANT GAS BEING SUPPLIED AT A RATE IN THE RANGE OF FROM 0.9 TO 1.25 MOLES OF SO3 PER MOLE OF A-OLEFIN AND THE TEMPERATURE OF THE REACTANT GAS FED INTO THE REACTION ZONE BEING IN THE RANGE OF 30*C TO 100*C, THE PRESSURE IN THE REACTION ZONE BEING IN THE RANGE OF FROM 0.3 TO 2 KG/CM2 GAUGE, THE A-OLEFIN BEING PRESENT IN THE REACTION ZONE FOR A TIME PERIOD IN THE RANGE OF FROM ABOUT 10 SECONDS TO ABOUT 60 SECONDS, THE SULFONATION TEMPERATURE IN THE REACTION ZONE BEING MAINTAINED AT A MAXIMUM TEMPERATURE OF NOT MORE THAN 85*C, TO PRODUCE A SULFONATION REACTION PRODUCT,

Claim 4

FLOWING (A) A THIN FILM OF LIQUID A-OLEFIN HAVING FORM 10 TO 25 CARBON ATOMS THROUGH A REACTION ZONE HAVING A LENGTH OF AT LEAST ABOUT 100 CM. AND THEREIN CONTACTING SAID A-OLEFIN WITH (B) A REACTANT GAS CONTAINING FROM 1 TO 10%, BY VOLUME, OF SO3 AND THE BLANCE INERT GAS, THE REACTANT GAS BEING SUPPLIED AT A RATE IN THE RANGE OF FROM 0.9 TO 1.25 MOLES OF SO3 PER MOLE OF A-OLEFIN AND THE TEMPERATURE OF THE REACTANT GAS FED INTO THE REACTION ZONE BEING IN THE RANGE OF 30*C TO 100*C, THE PRESSURE IN THE REACTION ZONE BEING IN THE RANGE OF FROM 0.3 TO 2 KG/CM2 GAUGE, THE A-OLEFIN BEING PRESENT IN THE REACTION ZONE FOR A TIME PERIOD IN THE RANGE OF FROM ABOUT 10 SECONDS TO ABOUT 60 SECONDS, THE SULFONATION TEMPERATURE IN THE REACTION ZONE BEING MAINTAINED AT A MAXIMUM TEMPERATURE OF NOT MORE THAN 85*C, TO PRODUCE A SULFONATION REACTION PRODUCT,

Claim 5

THEN MAINTAINING THE ENTIRETY OF THE PRODUCT OF STEP 1, AT A TEMPERATURE OF FROM 20* TO 100*C FOR FROM 1 TO 5 HOURS, UNDER ANHYDROUS CONDITIONS,

Claim 6

THEN MAINTAINING THE ENTIRETY OF THE PRODUCT OF STEP 1, AT A TEMPERATURE OF FROM 20* TO 100*C FOR FROM 1 TO 5 HOURS, UNDER ANHYDROUS CONDITIONS,

Claim 7

then maintaining the entirety of the product of step 1, at a temperature of from 20* to 100*C for from 1 to 5 hours, under anhydrous conditions;

Claim 8

then maintaining the entirety of the product of step 1, at a temperature of from 20* to 100*C for from 1 to 5 hours, under anhydrous conditions;

Claim 9

A method according to claim 1, wherein in step 2, the maximum temperature is approximately 50*C.

Claim 10

and then neutralizing the entirety of the product of step 2 by adding thereto an aqueous solution of alkali in an amount of from about 0.6 to 1.0 moles equivalent based on the number of moles of SO3 fed into the reaction zone, and

Claim 11

and then neutralizing the entirety of the product of step 2 by adding thereto an aqueous solution of alkali in an amount of from about 0.6 to 1.0 moles equivalent based on the number of moles of SO3 fed into the reaction zone, and

Claim 12

AND THEN NEUTRALIZING THE ENTIRETY OF THE PRODUCT OF STEP 2 BY ADDING THERETO AN AQUEOUS SOLUTION OF ALKALI IN AN AMOUNT OF FROM ABOUT 0.6 TO 1.0 MOLES EQUIVALENT BASED ON THE NUMBER OF MOLES OF SO3 FED INTO THE REACTION ZONE, AND

Claim 13

AND THEN NEUTRALIZING THE ENTIRETY OF THE PRODUCT OF STEP 2 BY ADDING THERETO AN AQUEOUS SOLUTION OF ALKALI IN AN AMOUNT OF FROM ABOUT 0.6 TO 1.0 MOLES EQUIVALENT BASED ON THE NUMBER OF MOLES OF SO3 FED INTO THE REACTION ZONE, AND

Claim 14

SUBJECTING THE ENTIRETY OF THE PRODUCT OF STEP 3 AT A TEMPERATURE FROM 130*C FOR A PERIOD OF FROM 5 MINUTES TO 2 HOURS TO HYDROLYZE THE SOULTONES CONTAINED IN THE PRODUCT OF STEP 3 WHEREBY TO PRODUCT A SULFONATED REACTION PRODUCT COMPRISED OF ALKENESULFONATES AND HYDROXYALKANESULFONATES, SAID SULFONATED REACTION PRODUCT HAVING A PH OF FROM 7-14.

Claim 15

SUBJECTING THE ENTIRETY OF THE PRODUCT OF STEP 3 AT A TEMPERATURE FROM 130*C FOR A PERIOD OF FROM 5 MINUTES TO 2 HOURS TO HYDROLYZE THE SOULTONES CONTAINED IN THE PRODUCT OF STEP 3 WHEREBY TO PRODUCT A SULFONATED REACTION PRODUCT COMPRISED OF ALKENESULFONATES AND HYDROXYALKANESULFONATES, SAID SULFONATED REACTION PRODUCT HAVING A PH OF FROM 7-14.

Claim 16

subjecting the entirety of the product of step 3 at a temperature from 130*C to 180*C for a period of from 5 minutes to 2 hours to hydrolyze the sultones contained in the product of step 3 whereby to produce a sulfonated reaction product comprised of alkenesulfonates and hydroxyalkanesulfonates, said sulfonated reaction product having a pH of from 7-14.

Claim 17

subjecting the entirety of the product of step 3 at a temperature from 130*C to 180*C for a period of from 5 minutes to 2 hours to hydrolyze the sultones contained in the product of step 3 whereby to produce a sulfonated reaction product comprised of alkenesulfonates and hydroxyalkanesulfonates, said sulfonated reaction product having a pH of from 7-14.