Phosphate Engineering and Construction Company
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 02, 1996 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 37 Total Citation Count
- Aug 21, 1987 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5180569 Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acidDec 17, 91Jan 19, 93[C01B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5531975 Process for the production of phosphoric acid and calcium fluorideExpiredMay 09, 95Jul 02, 96[C01B, C01F]
5427757 Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acidExpiredDec 02, 93Jun 27, 95[C01B, C01F]
4885148 Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet processExpiredSep 06, 88Dec 05, 89[C01B]
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