Process for recovering ethylene oxide from aqueous solutions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 20, 1984
Grant Date -
N/A
app pub date -
Jul 17, 1981
filing date -
Jul 17, 1981
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance
Loading Importance Indicators...

Calculated Rating
US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
Ethylene oxide is recovered from aqueous solutions by extracting with carbon dioxide in the near-critical or super-critical state, thereby selectively removing the ethylene oxide from water, and thereafter recovering ethylene oxide from the carbon dioxide by distillation or other suitable means.
First Claim
Family
Loading Family data...

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SCIENTIFIC DESIGN COMPANY INC | 49 INDUSTRIAL AVENUE LITTLE FERRY NJ 07643 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bhise, Vijay S | Bloomfield, NJ | 9 | 147 |
# of filed Patents : 9 Total Citations : 147 | |||
Hoch, Robert | Ridgewood, NY | 69 | 2188 |
# of filed Patents : 69 Total Citations : 2188 |
Cited Art Landscape
- No Cited Art to Display
Loading Cited Art Landscape... 

Patent Citation Ranking
- 17 Citation Count
- C07D Class
- 0 % this patent is cited more than
- 41 Age
Forward Cite Landscape
- No Forward Cites to Display
Loading Forward Cite Landscape... 

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
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
US Patent No: 4437938
Process for recovering ethylene oxide from aqueous solutions

Legal Events

Matter Detail

Country:
Application No:
Patent No:
Application Publication No:
Status:
Priority Date:
Filing Date:
Matter Type:
Local Registration No:
Docket No:
Secondary System Identifier (SSI):
Customer Application No:
Filing Type:
Request for Examination Date:
Parent Filing Date:
Complete Specification Date:
PCT Filing Date:
National Entry Date:
First Publication Date:
Allowance Date:
Grant Date:
Grant Publication Date:
Claims:
Independent Claims:
Law Firm:
Renewals Detail

Applicant:
Applicant ID:
Entity Size:
Renewal Status:
Renewal Base Date:
Renewal Trigger Date: