Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-07-26
1996-10-08
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510191, C11D 188, C11D 190, C11D 192, C11D 1700
Patent
active
055628508
ABSTRACT:
Toilet bowl detergent compositions, preferably blocks of the "in-tank" or "rim-block" types, contain a cleaning system comprising: detergent surfactant of the amphoteric type, preferably zwitterionic, more preferably one that contains a carboxylate group and a cationic group, and even more preferably a fatty acid amidoalkylene betainc, and polycarboxylate chelating agent, preferably, citric acid, or similar polycarboxylic acid, are combined with some means of creating the desired concentration of the cleaning system in the toilet bowl water, preferably by means of blocks with a dissolution retarding system, preferably with the dissolution retarding system comprising a combination of water soluble cellulosic polymer, more preferably hydroxyethyl cellulose or hydroxypropyl cellulose and, polyethylene glycol containing polymer, any perfume present being selected to be mostly hydrophobic. The compositions have a pH, in use, of from about 4 to about 9 and the blocks are preferably extremely homogeneous. Processes for keeping toilet bowls clean are disclosed.
REFERENCES:
patent: 4043931 (1977-08-01), Jeffrey et al.
patent: 4269723 (1981-05-01), Barford et al.
patent: 4460490 (1984-07-01), Barford et al.
patent: 4722802 (1988-02-01), Hutchings et al.
patent: 4911858 (1990-03-01), Bunczk et al.
patent: 5061393 (1991-10-01), Linares et al.
patent: 5290472 (1994-03-01), Michael
patent: 5322643 (1994-06-01), Schwartz et al.
patent: 5336424 (1994-08-01), Van Vlahakis
patent: 5342550 (1994-08-01), Burke et al.
Cobb Daniel S.
Flora Jeffrey L.
Woo Ricky A.
Aylor Robert B.
Delcotto Gregory R.
Lieberman Paul
The Procter & Gamble & Company
LandOfFree
Toilet bowl detergent system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toilet bowl detergent system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toilet bowl detergent system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-55146