Global patent index - EP 0973853 A1

EP 0973853 A1 2000-01-26 - POLYOL AND COMPLEX ESTERS FOR USE WITH, IN PARTICULAR, FLUORINATED REFRIGERANTS

Title (en)

POLYOL AND COMPLEX ESTERS FOR USE WITH, IN PARTICULAR, FLUORINATED REFRIGERANTS

Title (de)

POLYDE UND KOMPLEXE ESTER ZUR VERWENDUNG INSBESONDERE IN FLUORIMIERTEN KÜHLSCHMIERSTOFFEN

Title (fr)

ESTER DE POLYOL ET ESTERS COMPLEXES UTILISES EN PARTICULIER AVEC DES FRIGORIGENES FLUORES

Publication

EP 0973853 A1 (EN)

Application

EP 98913796 A

Priority

  • FI 9800329 W
  • FI 971548 A
  • FI 971549 A
  • FI 980730 A

Abstract (en)

[origin: WO9846706A1] The invention concerns a refrigerant composition which comprises a chlorine-free hydrofluorocarbon based refrigerant and, mixed with the refrigerant, a lubricant comprising a polyol ester. According to the invention the polyol ester comprises an ester of 3-hydroxy-2,2-dimethylpropyl-3-hydroxy-2,2-dimethylpropionate, the carboxylic acid residue of which is derived from a linear or branched C4...C18-carboxylic acid or an anhydride thereof, or it is derived from a mixture of linear or branched C4...C18-carboxylic acids or anhydrides thereof. The present invention also concerns novel complex ester of 3-hydroxy-2,2-dimethylpropyl-3-hydroxy-2,2-dimethylpropionate, which contain residues of mono- or bivalent carboxylic acids. The novel esters exhibit good solubility in fluorinated hydrocarbons and excellent lubricating properties.

IPC 1-7 (main, further and additional classification)

C10M 105/42; C07C 69/67; C09K 5/04

IPC 8 full level (invention and additional information)

C07C 69/675 (2006.01); C09K 5/04 (2006.01); C10M 105/38 (2006.01); C10M 105/40 (2006.01); C10M 105/42 (2006.01); C10M 171/00 (2006.01)

CPC (invention and additional information)

C10M 105/42 (2013.01); C10M 105/38 (2013.01); C10M 171/008 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/281 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10M 2207/286 (2013.01); C10M 2207/289 (2013.01); C10M 2207/30 (2013.01); C10M 2207/302 (2013.01); C10M 2207/3025 (2013.01); C10M 2207/304 (2013.01); C10M 2207/345 (2013.01); C10M 2211/022 (2013.01); C10M 2211/06 (2013.01); C10N 2240/00 (2013.01); C10N 2240/02 (2013.01); C10N 2240/22 (2013.01); C10N 2240/30 (2013.01); C10N 2240/50 (2013.01); C10N 2240/52 (2013.01); C10N 2240/54 (2013.01); C10N 2240/56 (2013.01); C10N 2240/58 (2013.01); C10N 2240/60 (2013.01); C10N 2240/66 (2013.01)

Citation (search report)

See references of WO 9846706A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9846706 A1 19981022; WO 9846706 A8 19990429; AU 6836198 A 19981111; EP 0973853 A1 20000126; FI 980730 A0 19980331; FI 980730 A 19981012; JP 2001526712 A 20011218

INPADOC legal status

2006-11-24 [REG HK WD] APPLICATIONS WITHDRAWN, DEEMED TO BE WITHDRAWN, OR REFUSED AFTER PUBLICATION IN HONG KONG

- Ref Country Code: HK

- Ref Legal Event Code: WD

- Ref Document Number: 1025115

- Country of Ref Document: HK

2006-05-10 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20051101

2002-10-09 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020827

2000-01-26 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991008

2000-01-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-01-26 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free Format Text: LT PAYMENT 19991008;LV PAYMENT 19991008