LT97175A

Method for manufacture of products containing disalts of formic acid

Abstract

The present invention relates to a method for manufacture of products containing disalts of formic acid. Potassium hydroxide, carbonate, bicarbonate or formate, sodium hydroxide, carbonate, bicarbonate or formate, cesium hydroxide, carbonate, bicarbonate or formate or ammonium formate or ammonia is mixed with formic acid at 40-100 DEG C, the mixture is cooled and centrifuged. The filtrate containing acid salt is collected. The filter cake is transported to a drier/mixer where other disalts, calcium formate and/or a desiccant can be added.

Term

Term ended

Projected expiry passed 7 November 2017, 8.9 years ago.

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49 members in 28 offices

This recordMember, by publication datePriority claim18 more offices are in the list below

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Priority claims
DocumentOfficeKindDate
951885NorwayA
951885NorwayA
951885
NO19950001885

Members49

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NO951885D0NorwayD0
NO951885LNorwayL
CA2220700A1CanadaA1
WO9635657A1World Intellectual Property Organization (WIPO)A1
AU5781796AAustraliaA
NO300038B1NorwayB1
AR001930A1ArgentinaA1
EP0824511A1European Patent Office (EPO)A1
NZ308236ANew ZealandA
MX9708691AMexicoA
CZ350797A3CzechiaA3
LT97175AThis recordLithuaniaA
PL323532A1PolandA1
SK150597A3SlovakiaA3
ES2114516T1SpainT1
EA199700378A1Eurasian Patent Organization (EAPO)A1
LT4352BLithuaniaB
CN1187807AChinaA
BG102090ABulgariaA
DE824511T1GermanyT1
HU9802559A2HungaryA2
HUP9802559A2HungaryA2
KR19990014698ARepublic of KoreaA
BR9608915ABrazilA
EA000306B1Eurasian Patent Organization (EAPO)B1
JPH11504935AJapanA
AU709017B2AustraliaB2
EP0824511B1European Patent Office (EPO)B1
AT195715TAustriaT
ATE195715T1AustriaT1
DE69609958D1GermanyD1
US6137005AUnited States of AmericaA
ES2114516T3SpainT3
HU9802559A3HungaryA3
HUP9802559A3HungaryA3
DK0824511T3DenmarkT3
PT824511EPortugalE
GR3034874T3GreeceT3
DE69609958T2GermanyT2
UA46771C2UkraineC2
PL184260B1PolandB1
SK282502B6SlovakiaB6
BG63776B1BulgariaB1
CZ292319B6CzechiaB6
CN1136181CChinaC
KR100430459B1Republic of KoreaB1
RO119544B1RomaniaB1
JP3834333B2JapanB2
CA2220700CCanadaC