Antifreeze

Details Antifreeze Antifreeze

2005-04-19

2005-04-19

Mruk, Brian P (Department: 1751)

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

C252S071000, C252S074000, C252S075000, C252S077000

Reexamination Certificate

active

06881355

ABSTRACT:
The present invention relates to antifreeze concentrates comprisinga) from 0.05 to 10% by weight of one or more sulfonated or sulfated polyglycols of the formulain-line-formulae description="In-line Formulae" end="lead"?R—(O)l-(A-O)m—(CH2)k—SO3Xin-line-formulae description="In-line Formulae" end="tail"?in whichA is C2- to C4-alkylene,R is H, C1- to C10-alkyl, C2- to C20-alkenyl or C6- to C18-aryl,X is H, an alkali metal or alkaline earth metal,k is a number from 0 to 10,l is 0 or 1,m is a number from 1 to 200,b) from 0.05 to 5% by weight of one or more carbamates of the formulain whichX is O or S,R is C1- to C8-alkyl or C6- to C18-aryl,or a corresponding ammonium salt,c) from 0.05 to 5% by weight of an aliphatic or aromatic amine,d) from 0.01 to 1% by weight of a hydrocarbon-triazole,e) alkylene glycols to 100% by weight.

REFERENCES:
patent: 4954279 (1990-09-01), Ma et al.
patent: 6436475 (2002-08-01), Adler et al.
patent: 6585933 (2003-07-01), Ehrhardt et al.
patent: 196 54 642 (1998-09-01), None
patent: WO 9820186 (1998-05-01), None
patent: WO 0022189 (2000-04-01), None
patent: WO 0208354 (2002-01-01), None
English abstract for WO 02/08354, Jan. 31, 2002.

Affiliated with

Also associated with

Rating

Antifreeze does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Antifreeze, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Antifreeze will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3419447