Waste water treatment with peracetic acid compositions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 1995
Grant Date -
N/A
app pub date -
Sep 3, 1993
filing date -
Sep 3, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process for the separation and purification of fat-containing waste water including the step of adding an effective flocculating and oxidizing amount of a composition including: 10-30% acetic acid 5-20% peracetic acid 15-25% hydrogen peroxide 1-10% phosphoric acid bal. water The process may also include the addition of ferrous sulfate or other source of ionic iron to accelerate the action of the peracetic acid composition.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BIRKO CORPORATION | 9152 YOSEMITE STREET HENDERSON CO 80640 |
International Classification(s)

- 1993 Application Filing Year
- B03D Class
- 31 Applications Filed
- 11 Patents Issued To-Date
- 35.49 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Holzhauer, Frederick W | Broomfield, CO | 11 | 236 |
# of filed Patents : 11 Total Citations : 236 | |||
Johnson, Dana J | Broomfield, CO | 6 | 187 |
# of filed Patents : 6 Total Citations : 187 | |||
McAninch, Terry | Westminster, CO | 4 | 170 |
# of filed Patents : 4 Total Citations : 170 |
Cited Art Landscape
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Patent Citation Ranking
- 52 Citation Count
- B03D Class
- 97.37 % this patent is cited more than
- 30 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
May 17, 2007 | FPAY | FEE PAYMENT | year of fee payment: 12 |
Jun 26, 2003 | REMI | MAINTENANCE FEE REMINDER MAILED | |
May 29, 2003 | FPAY | FEE PAYMENT | year of fee payment: 8 |
May 24, 1999 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 05, 1995 | I | Issuance | |
Nov 22, 1995 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 03, 1993 | F | Filing | |
Sep 03, 1993 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HOLZHAUER, FREDERICK W.;JOHNSON, DANA J.;MCANINCH, TERRY;REEL/FRAME:006749/0706 Owner name: BIRKO CORPORATION, COLORADO Effective Date: Sep 03, 1993 |

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