http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-336812-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_634538388f2dd27ea0a8bc2a2032c517 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C11D1-22 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11D1-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11D1-00 |
| filingDate | 1967-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1968-01-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-336812-A1 |
| titleOfInvention | PROCEDURE FOR PREPARING SUPER-FICIE ACTIVE ANIONIC DETERGENTS. |
| abstract | An anionic surface-active composition of sulphonates of hydrocarbons consists of the sulphonates of (a) up to 50% by weight of monoalkyl benzenes in which the alkyl groups are linear and have 8-18 carbon atoms, said monoalkyl benzenes consisting mainly of 2- phenylalkanes, (b) from 10-50% by weight. of a mixture of dialkylindanes and dialkyltetrahydronaphthalenes wherein the alkyl groups are linear and have 1-14 carbon atoms, the sum of said alkyl carbon atoms being a maximum of 15 for each molecule, and (c) from 35- 90% by weight of a mixture of diphenylalkanes and dialkyl-benzenes in which the alkyl groups are linear and contain 8-18 carbon atoms. The mixture is prepared by (i) chlorinating at least one linear alkane having 8-18 carbon atoms by contacting it with chlorine in an amount insufficient to chlorinate all the alkane and to produce primarily monochloroalkanes, (ii) reacting the chlorination mixture produced by step (i) with a large excess of benzene in the presence of a Friedel-Crafts catalyst under alkylating conditions to produce an alkylation mixture, (iii) recovering by fractional distillation of said mixture an alkylate fraction consisting of (a), (b) and (c) above, (iv) sulphonating said alkylate fraction and (v) recovering a mixture of alkylaryl sulphonates from the sulphonation mixture produced in (iv). The sulphonates may be in the form of alkali or alkaline earth metal, ammonium or organic amine salts. A detergent composition contains 5-50% by weight of the anionic surface-active composition (see Division C5). |
| priorityDate | 1966-02-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.