Alum pellets

Compositions – Water-softening or purifying or scale-inhibiting agents – Packages or heterogeneous arrangements

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C210S728000, C210S906000, C252S181000

Reexamination Certificate

active

07001534

ABSTRACT:
Compositions including pellets of alum, a smectite mineral material, and optionally sodium or calcium carbonate, that can be delivered to a phosphate impoundment located at or near the bottom of a body of water. The pellets of alum, smectite mineral material and optionally sodium or calcium carbonate are dropped in a body of water, and the alum is released over time, as the pellet descends to the bottom of the body of water.

REFERENCES:
patent: 2345827 (1944-04-01), Olin
patent: 2531451 (1950-11-01), Maier
patent: 3453207 (1969-07-01), Eck et al.
patent: 3456796 (1969-07-01), Eck et al.
patent: 3506570 (1970-04-01), Wukasch
patent: 3697233 (1972-10-01), Peck
patent: 3930834 (1976-01-01), Schulteis et al.
patent: 4080290 (1978-03-01), Klantschi et al.
patent: 4415467 (1983-11-01), Piepho
patent: 4507206 (1985-03-01), Hughes
patent: 4765908 (1988-08-01), Monick et al.
patent: 4877524 (1989-10-01), Eberhardt
patent: 4880547 (1989-11-01), Etani
patent: 5023012 (1991-06-01), Buchan et al.
patent: 5039427 (1991-08-01), Conover
patent: 5457272 (1995-10-01), Hooykaas
patent: 5486499 (1996-01-01), Davies et al.
patent: 5681475 (1997-10-01), Lamensdorf et al.
patent: 5917069 (1999-06-01), Buckl et al.
patent: 6001382 (1999-12-01), Levy
patent: 6069113 (2000-05-01), Kierzkowski et al.
patent: 6165369 (2000-12-01), Tanis et al.
patent: 6350383 (2002-02-01), Douglas
patent: 6383398 (2002-05-01), Amer
patent: 6881346 (2005-04-01), Landis et al.
patent: 6960303 (2005-11-01), Landis et al.
patent: 2003/0213752 (2003-11-01), Landis et al.
patent: 2003/0213753 (2003-11-01), Landis et al.
patent: S51-43334 (1976-04-01), None
Abstract No. JP 54041924 A dated Apr. 3, 1979, entitled Lightweight Inorganic Aggregate Made by Thermal Foaming—from Alum, Slaked Lime, Alkali Borate, Phosphate or Aluminum Hydroxide Added to Siliceous Material, Bentonite and Alkali Silicate.

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

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

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

Rate now

     

Profile ID: LFUS-PAI-O-3684868

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