Patent US4564464A successfully refreshed from Google Patents.
US4564464A
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Hectorite based paint spray booth detackifying slurries and methods of use thereof
Assignee: Veolia WTS USA Inc
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Filing: 1984-12-27
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Granted: 1986-01-14
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Expires: 2004-12-27
Abstract
Abstract Paint spray booth detackifying and clarification compositions and methods are disclosed. The compositions are pumpable, hectorite clay containing slurries. In addition to hectorite, which has been proven as a most effective detackifying agent, the slurries include thinning agents such as water soluble aliphatic and/or alicyclic amines. Water conditioning agents, such as water soluble polyphosphates are also made part of the slurry formulation.
Inventors
- 👤 William L. Harpel
- 👤 Deborah L. Purnell
- 👤 Richard J. Pilny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:47
CPC Classifications
C; C09; C09K; C09K3/00; C02; C02F; C02F1/00; C02F1/52; C02F1/5236; C09D; C09D7/00; C09D7/71; Y; Y10; Y10S; Y10S210/00; Y10S210/93
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
A pumpable slurry for the detackification and clarification of paint spray booth wastes comprising, in combination, from about 99.9%-10% of a hectorite clay material, from about 0.1-20% of a thinning agent, wherein said thinning agent comprises a member or members selected from the group consisting of water soluble aliphatic and alicyclic amines, about 0-10% of a water soluble polyphosphate water conditioning agent, from about 0 -15% alumina, from 0- about 40% montmorillonite clay, and about 0-5% of an antifoam, and water, all of said percentages being based upon the total weight of the non-aqueous components of said slurry.
Claim 2
Dependent Claim
98 words
A pumpable slurry for the detackification and clarification of paint spray booth wastes comprising, in combination, from about 99.9%-10% of a hectorite clay material, from about 0.1-20% of a thinning agent, wherein said thinning agent comprises a member or members selected from the group consisting of water soluble aliphatic and alicyclic amines, about 0-10% of a water soluble polyphosphate water conditioning agent, from about 0 -15% alumina, from 0- about 40% montmorillonite clay, and about 0-5% of an antifoam, and water, all of said percentages being based upon the total weight of the non-aqueous components of said slurry.
Claim 3
Dependent Claim
26 words
A pumpable slurry as recited in claim 1 wherein said thinning agent comprises a member or members selected from the group consisting of isopropylamine and aminoethylpiperazine.
Claim 4
Dependent Claim
85 words
A slurry as recited in claim 1 wherein said hectorite is present in a percentage of about 52.0%, said thinning agent comprises about 0.5% aminoethylpiperazine and about 1.5% isopropylamine, said water soluble polyphosphate water conditioning agent comprises tetrapotassium pyrophosphate present in an amount of about 5.0%, said montmorillonite being present in an amount of about 39.0%, said antifoam comprising a polyoxyalkylene glycol present in an amount of about 2.0%, all of said percentages being based on the total weight of non-aqueous components of said slurry.
References Cited (Backward Citations)
US2267426A
Cited
US2362964A
Cited
US2585407A
Cited
US3429823A
Cited
US3515575A
Cited
US4125476A
Cited
US4185970A
Cited
US4220456A
Cited
US4380495A
Cited
US4504395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-13 | 1989-07-15 | 1990-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-13 | 1993-07-15 | 1994-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-13 | 1997-07-15 | 1998-01-14 | $7700.00 | Window Closed / Lapsed |