The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 1984
Filed:
Oct. 15, 1982
Applicant:
Inventor:
Stephen Westall, Barry, GB;
Assignee:
Dow Corning Limited, Barry, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427302 ; 252-88 ; 427387 ; 427389 ; 4273899 ; 427392 ; 4273931 ; 4273932 ; 4273934 ; 427412 ;
Abstract
Process for the treatment of fibres e.g. of nylon or polyester/cotton in which the fibres are contacted with a polydiorganosiloxane having at least one --OM group, in which M represents H, alkyl or alkoxyalkyl, and at least one quaternary ammonium salt substituent --RN.sup.+ (R').sub.2 R'X.sup.- in which R represents a divalent hydrocarbon or hydrocarbonoxy group, R' represents a monovalent hydrocarbon group or an alkyleneoxy or polyalkyleneoxy group, each R' represents methyl or ethyl and X represents a halogen atom. The treatment facilitates the removal of oily stains during laundering and may be applied in conjunction with other silicones.