Nitrogen-heterocyclic compounds and quaternary salts thereof
US5128473A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Feb 1, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D303/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New piperazine compounds of the formula ##STR1## wherein A is ##STR2## Y is --O-- or --NR.sub.4 --; Z is alkylene containing 2 to 6 carbon atoms in the principal chain and a total of up to 8 carbon atoms; PA1 R is alkyl containing from about 8 to about 30 carbon atoms and may contain at least one of --S--, --O--, ##STR3## CONR.sub.4, epoxy and double bond in the chain; R.sub.2 is alkyl containing up to about 30 carbon atoms and may contain at least one of --S--, --O--, ##STR4## --CONR.sub.4 --, epoxy and double bond in the chain; and R.sup.3 and R.sup.4 are each H or lower alkyl; PA1 with the proviso that the total number of carbon atoms in the acyl R and R.sub.2 groups is at least 18; PA1 X is a salt-forming anion; R.sub.1 is H, lower alkyl, hydroxylower- alkyl or benzyl; and n is an integer from 1 to 4 are especially effective as fabric softeners with antistatic properties and in hair conditioner compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.