RPL Holdings Limited

United Kingdom

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IPC Class
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa 16
C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredien 2
F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point 1
Found results for  patents

1.

LOW GWP REFRIGERANT BLENDS

      
Application Number EP2023084632
Publication Number 2024/121276
Status In Force
Filing Date 2023-12-06
Publication Date 2024-06-13
Owner RPL HOLDINGS LTD (United Kingdom)
Inventor
  • Powell, Richard Llewellyn
  • Poole, John Edward

Abstract

An HFC-32 retrofit replacement refrigerant composition consisting or consisting essentially of: carbon dioxide 2-26% an HFO selected from the group consisting of: HFO-1234yf and HFO-1234ze(E) and mixtures thereof, 48-70% HFC-32 10-46% wherein the percentages are by mass and are selected from the ranges quoted to total 100%.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

2.

LOW GLOBAL WARMING REFRIGERANT BLENDS

      
Application Number EP2022065306
Publication Number 2022/258558
Status In Force
Filing Date 2022-06-06
Publication Date 2022-12-15
Owner RPL HOLDINGS LTD (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard Llewellyn

Abstract

A refrigerant composition comprising: Carbon dioxide 1 - 7%, Hydrofluoroolefin (HFO)-1234ze(E) 70 - 97%, HFC-227ea 2 - 16%; and 0-27% of an optional component selected from the group consisting of: HFC-32, HFC-134a, R125 and mixtures thereof, wherein the percentages of the components are by mass and are selected from the ranges quoted to total 100%.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

3.

THERMAL PUMP REFRIGERANTS

      
Application Number EP2021079297
Publication Number 2022/084488
Status In Force
Filing Date 2021-10-21
Publication Date 2022-04-28
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard Llewellyn

Abstract

A refrigerant consisting or consisting essentially of: a) a nonflammable high volatility component consisting of carbon dioxide, and b) a nonflammable low volatility component selected from the group consisting of: HFO1224yd(Z), HFO1224yd(E), HFO1233zd(E), HFO1233zd(Z), HFO1233xf, HFO1336mzz(E), HFO1336mzz(Z), 2-bromo-3,3,3- trifluoroprop-1-ene and mixtures thereof; c) an intermediate volatility component selected from the group consisting of: HFO1234yf, HFO1234ze(E), HFO1225ye(Z), HFO1243zf and mixtures thereof; and d) optionally a component selected from the group consisting of HFC227ea, HFC152a, HFC32 and mixtures thereof.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

4.

REFRIGERANT COMPOSITION

      
Application Number GB2020051136
Publication Number 2020/229801
Status In Force
Filing Date 2020-05-11
Publication Date 2020-11-19
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John
  • Powell, Richard

Abstract

A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and optionally a hydrocarbon

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredien

5.

LOW GWP REFRIGERANT BLENDS

      
Application Number EP2018082583
Publication Number 2019/102003
Status In Force
Filing Date 2018-11-26
Publication Date 2019-05-31
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard

Abstract

Non-ozone depleting and non-flammable refrigerant compositions with GWPs less than 1050 which may replace HFC404A, HFC507 and HFC410A in refrigeration and air-conditioning systems.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

6.

LOW GWP REFRIGERANT BLENDS

      
Application Number EP2018082597
Publication Number 2019/102008
Status In Force
Filing Date 2018-11-26
Publication Date 2019-05-31
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard

Abstract

A refrigerant composition consists essentially of: carbon dioxide 10-35%; an HFO selected from the group consisting of: R1234yf, R1234ze(E) and mixtures thereof 45-85%; and R227ea 3-15% wherein the percentages are by mass and are selected from the ranges quoted to total 100%.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

7.

NON-OZONE DEPLETING AND LOW GLOBAL WARMING REFRIGERANT BLENDS

      
Application Number GB2016050827
Publication Number 2016/156812
Status In Force
Filing Date 2016-03-23
Publication Date 2016-10-06
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Riichard

Abstract

Non ozone depleting and non flammable refrigerant compositions with GWPs between 1,000 and 1600 ITH which may replace R404A and R507 in refrigeration systems.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

8.

REFRIGERANT

      
Application Number GB2014053036
Publication Number 2015/055984
Status In Force
Filing Date 2014-10-09
Publication Date 2015-04-23
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard

Abstract

A refrigerant composition consisting essentially of R227ea 3-9% R134a 25-70% R125 3-35% R32 10-35% together with an optional hydrocarbon component; wherein the amounts are by weight and are selected to total 100%.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

9.

REFRIGERANT ADDITIVE

      
Application Number GB2013052993
Publication Number 2014/076475
Status In Force
Filing Date 2013-11-13
Publication Date 2014-05-22
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John Edward
  • Powell, Richard

Abstract

A method of improving performance properties of a thermal pump using a HFC refrigerant comprising addition of an additive selected from the group consisting of mixtures of: R152a and R227ea.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

10.

NON OZONE DEPLETING AND LOW GLOBAL WARMING POTENTIAL REFRIGERANTS FOR LOW TEMPERATURE REFRIGERATION

      
Application Number GB2010002314
Publication Number 2011/077088
Status In Force
Filing Date 2010-12-21
Publication Date 2011-06-30
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

Non ozone depleting and non flammable refrigerant compositions with GWPs less than 2,000 ITH which replace R404A, R507, HCFC22 and CFC502 in refrigeration systems.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point

11.

REFRIGERANT COMPOSITION

      
Application Number GB2008000911
Publication Number 2008/113984
Status In Force
Filing Date 2008-03-14
Publication Date 2008-09-25
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a which replaces HCFC22 in new equipment.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
  • C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredien

12.

REFRIGERANT EXTENDERS FOR HCFC22

      
Application Number GB2007004145
Publication Number 2008/065331
Status In Force
Filing Date 2007-10-30
Publication Date 2008-06-05
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

A method for progressively extending HCFC22 remaining in a refrigeration, air conditioning or heat pump device after leakage of part of the original charge, by mixing it with a refrigerant comprising one or more organofluorine compounds and optionally HCFC22 and optionally one or more hydrocarbons.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

13.

NON-OZONE DEPLETING REFRIGERANT COMPOSITIONS FOR REPLACING HCFC22

      
Application Number GB2007004143
Publication Number 2008/059199
Status In Force
Filing Date 2007-10-30
Publication Date 2008-05-22
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

Non ozone depleting and non flammable refrigerant compositions which replace CFC22 in centrifugal chillers and are compatible with traditional lubricants (eg mineral and alkylbenzene oils) and also synthetic oxygen containing lubricants.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

14.

NON-OZONE DEPLETING REFRIGERANT COMPOSITION FOR CENTRIFUGAL CHILLERS

      
Application Number GB2007004090
Publication Number 2008/053170
Status In Force
Filing Date 2007-10-26
Publication Date 2008-05-08
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

Non ozone depleting refrigerant compositions which replace CFC12 in centrifugal chillers and are compatible with traditional lubricants (eg mineral and alkylbenzene oils) and also synthetic oxygen containing lubricants. Such refrigerant compositions are non flammable according to ASHRAE Standard 34.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

15.

REFRIGERANT COMPOSITION

      
Application Number GB2007000747
Publication Number 2007/099351
Status In Force
Filing Date 2007-03-05
Publication Date 2007-09-07
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range -5O°C and +4O°C.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa

16.

REFRIGERANT COMPOSITION

      
Application Number GB2007000746
Publication Number 2007/099350
Status In Force
Filing Date 2007-03-05
Publication Date 2007-09-07
Owner RPL HOLDINGS LIMITED (United Kingdom)
Inventor
  • Poole, John, Edward
  • Powell, Richard

Abstract

A refrigerant composition consists essentially of a combination of two hydro fluorocarbon components selected from R125 and R143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range -5O°C and +4O°C.

IPC Classes  ?

  • C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa