Dry cleaning method and solvent
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Aug 22, 1997
filing date -
Aug 22, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of dry cleaning articles such as clothing and the like including the use of Dipropylene Glycol Monomethyl Etheracetate as the cleaning solvent and the use of vacuum to assist in the removal of solvent from the articles and the use of vacuum distillation of the solvent after a cleaning cycle.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
GREENEARTH CLEANING LLC | 51 WEST 135TH STREET KANSAS CITY MO 64145 |
International Classification(s)

- 1997 Application Filing Year
- D06L Class
- 46 Applications Filed
- 16 Patents Issued To-Date
- 34.79 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Berndt, Dieter R | P.O. Box 4413, Incline Village, NV 89450 | 21 | 597 |
# of filed Patents : 21 Total Citations : 597 |
Cited Art Landscape
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Patent Citation Ranking
- 82 Citation Count
- D06L Class
- 83.33 % this patent is cited more than
- 26 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 |
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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

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Dec 28, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Jun 27, 2017 | I | Issuance | |
Jun 07, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 01, 2017 | AS | ASSIGNMENT | free format text: CONFIRMATORY LICENSE;ASSIGNOR:GEORGE WASHINGTON UNIVERSITY;REEL/FRAME:041628/0147 Owner name: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF Effective Date: Feb 01, 2017 |
Jan 19, 2017 | P | Published | |
Sep 28, 2016 | F | Filing | |
Jul 08, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WEGLICKI, WILLIAM B.;MAK, IU TONG;REEL/FRAME:041657/0460 Owner name: THE GEORGE WASHINGTON UNIVERSITY, DISTRICT OF COLU Effective Date: Jul 08, 2015 |

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