Phosphate-free antifreeze formulation

Details Phosphate-free antifreeze formulation Phosphate-free antifreeze formulation

1993-07-15

1995-06-06

Lieberman, Paul

Compositions

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

Organic components

252 74, 252 75, 252 76, 252 783, C09K 500

Patent

active

054220262

ABSTRACT:
The invention provides an alkylene glycol, preferably propylene glycol, anti-corrosive antifreeze concentrate composed of the glycol and small but effective amounts of borate, sebacate, molybdate, mercaptobenzothiazole, nitrate, tolyltriazole and silicate. The concentrate is suitably combined with water to form an internal combustion engine coolant which meets all ASTM testing criteria.

REFERENCES:
patent: 2147409 (1939-02-01), Lamprey
patent: 2373570 (1945-04-01), Keller
patent: 2566923 (1951-09-01), Burghart
patent: 2726215 (1955-12-01), Jones
patent: 2815328 (1957-12-01), Green et al.
patent: 3960740 (1976-06-01), Truett
patent: 4000079 (1976-12-01), Ramp et al.
patent: 4149965 (1979-04-01), Wilson
patent: 4219433 (1980-08-01), Manabe et al.
patent: 4242214 (1980-12-01), Lambert, Jr.
patent: 4338209 (1982-07-01), Manage et al.
patent: 4382008 (1983-05-01), Boreland et al.
patent: 4382870 (1983-05-01), Abel et al.
patent: 4389371 (1983-06-01), Wilson et al.
patent: 4414126 (1983-11-01), Wilson et al.
patent: 4450088 (1984-05-01), Wilson et al.
patent: 4455248 (1984-06-01), Wood
patent: 4506684 (1985-04-01), Huff et al.
patent: 4545925 (1985-10-01), Boosa et al.
patent: 4561990 (1985-12-01), Darden
patent: 4587028 (1986-05-01), Darden
patent: 4588513 (1986-05-01), Triebel et al.
patent: 4717495 (1988-01-01), Hercamp et al.
patent: 4725405 (1988-02-01), Cassin et al.
patent: 4759864 (1988-07-01), Van Neste et al.
patent: 4772408 (1988-09-01), Mohr et al.
patent: 5064552 (1991-11-01), Oppenlaender

Affiliated with

Also associated with

Rating

Phosphate-free antifreeze formulation does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-985117