Temperature-activated polysilicic acids and their use in paper p

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

423338, 423339, 502233, 2523132, C01B 3312

Patent

active

056884826

ABSTRACT:
A temperature-activated polysilicic acid is prepared by heating an acidified aqueous alkali metal silicate. The temperature-activated polysilicic acid is used in the production of paper for improvement of retention and water removal.

REFERENCES:
patent: 3967563 (1976-07-01), Wason
patent: 3988162 (1976-10-01), Wason
patent: 4001379 (1977-01-01), Turk et al.
patent: 4045240 (1977-08-01), Wason et al.
patent: 4067746 (1978-01-01), Wason et al.
patent: 4111843 (1978-09-01), Feistel et al.
patent: 4191742 (1980-03-01), Wason et al.
patent: 4230679 (1980-10-01), Mahler et al.
patent: 4243428 (1981-01-01), Donnet et al.
patent: 4422880 (1983-12-01), Wason et al.
patent: 4457900 (1984-07-01), Steenken
patent: 4495167 (1985-01-01), Nauroth et al.
patent: 4581217 (1986-04-01), Shinpo et al.
patent: 4590052 (1986-05-01), Chevallier et al.
patent: 4640807 (1987-02-01), Afghan et al.
patent: 4645567 (1987-02-01), Hou et al.
patent: 4681750 (1987-07-01), Johnson et al.
patent: 4708859 (1987-11-01), Chevallier
patent: 4755259 (1988-07-01), Larsson
patent: 4790486 (1988-12-01), Eimaeda et al.
patent: 4842838 (1989-06-01), Chevallier
patent: 4857289 (1989-08-01), Nauroth et al.
patent: 4946557 (1990-08-01), Svending
patent: 4950362 (1990-08-01), Steinau et al.
patent: 4954220 (1990-09-01), Rushmere
patent: 4954327 (1990-09-01), Blount
patent: 4969976 (1990-11-01), Reed
patent: 4992251 (1991-02-01), Aldcroft et al.
patent: 5034207 (1991-07-01), Kerner et al.
patent: 5066420 (1991-11-01), Chevallier
patent: 5100581 (1992-03-01), Watanabe et al.
patent: 5110574 (1992-05-01), Reinhardt et al.
patent: 5124143 (1992-06-01), Muhlemann et al.
patent: 5127994 (1992-07-01), Johansson et al.
patent: 5225041 (1993-07-01), Richard et al.
patent: 5225177 (1993-07-01), Wason et al.
patent: 5231066 (1993-07-01), Rekers et al.
patent: 5234673 (1993-08-01), McGill et al.
patent: 5236623 (1993-08-01), Chevallier
patent: 5277764 (1994-01-01), Johansson et al.
patent: 5368833 (1994-11-01), Johansson et al.
patent: 5419888 (1995-05-01), McGill et al.
patent: 5447604 (1995-09-01), Johansson et al.
Moffett, R.H., On-Site Production of a Silica Based Microparticulate Retention and Drainage Aid, 1994 Papermakers Conference.
Sears, George W. Jr., Determination of Specific Surface Area of Colloidal Silica by Titration with Sodium Hydroxide, Analytical Chemistry, vol. 28, No. 12, 1981-3, (1956).
Iler, Ralph K., The Chemistry of Silica, pp. 10-11, 172-176, 225-234, John Wiley and Sons, New york, 1979.
Chemical Abstracts, vol. 81, No. 22, Dec. 2, 1994; abstract No. 141326v, "Production of silica sol" p. 315, Apr. 7, 1970.
Database WPI, Sec. CH, Week 9029, Derwent Publ. Ltd., London, GB; Class E36, AN 90-220709 XP002002823 and JP,A,02 149 414 (Tosoh Corp), Jun. 8, 1990.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Temperature-activated polysilicic acids and their use in paper p does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Temperature-activated polysilicic acids and their use in paper p, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Temperature-activated polysilicic acids and their use in paper p will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1563572

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.