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LT - Didelio efektyvumo polimerinių flokulentų gavimo būdai ir vandens atskyrimo nuo suspenduotų kietų medžiagų būdai
EN - PROCESS FOR PREPARATING HIGH PERFORMANCE POLYMER FLOCCULATING AGENTS AND METHODS FOR SEPARATING SUSPENDED SOLID SUBSTANCES FROM WATER

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Patent lapsed (non-payment of fees)

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Patent application specification | Search report | Patent specification (1.99 Mb)
Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) B01D 21/01
C02F 1/54
Patent
(11) Number of the document 3618
(13) Kind of document B
(21) Application number IP1578
(22) Date of filing the application 1993-12-09
(41) Date of publication of the application 1995-06-26
(45) Date of publication of patent 1995-12-27
Priority applications
(30) Number Date Country code
285940 1988-12-19 US
285933 1988-12-19 US
4742651 1989-12-18 SU
Applicant
(71) AMERICAN CYANAMID COMPANY, One Cyanamid Plaza, Wayne, New Jersey 07470, US
Inventors
(72) Roger Edgar NEFF, US
Joseph Jacinto PELLON, US
Roderick Glyn RYLES, US
Grantee
(73) AMERICAN CYANAMID COMPANY, One Cyanamid Plaza, Wayne, New Jersey 07470, US
Attorney or representative
(74) Reda ŽABOLIENĖ, METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius, LT
Title
(54) PROCESS FOR PREPARATING HIGH PERFORMANCE POLYMER FLOCCULATING AGENTS AND METHODS FOR SEPARATING SUSPENDED SOLID SUBSTANCES FROM WATER
Last renewal fee
Payment date Validity (years) Amount
1998-10-09 6 480.00 LTL
Legal status
Patent lapsed (non-payment of fees)
Invalidation date 1999-12-09
Last update date 2021-10-22