COATING PROCESS

1 .- 13 . (canceled)

14 . A coated component for a medicinal delivery device comprising a component; a base layer comprising a polysulphone, wherein the base layer is intermediate the component and a fluorine-containing coating, wherein the fluorine-containing coating comprises two layers, a first polyfluoropolyether-containing layer comprising polyfluoropolyether silane entities of the following Formula Ib:

R f [Q 1 —[C(R) 2 —Si(O—) 3-x (R 1a ) x ] y ] z   Ib

which shares at least one covalent bond with a second non-fluorinated layer comprising entities of the following Formula IIb:

(—O) 3−m−n (X) n (R 1 ) m Si—Q—Si(R 2 ) k (X) 1 (O—) 3−k−1   IIb

which in turn is bonded to the base layer; and wherein:

R f is a monovalent or multivalent polyfluoropolyether segment;

Q 1 is an organic divalent or trivalent linking group;

each R is independently hydrogen or a C1-4 alkyl group;

R 1a is a C1-8 alkyl or phenyl group;

k, 1, m and n are independently 0, 1 or 2, but with the proviso that m+n and k+1 are at most 2;

x is 0 or 1 or 2;

y is 1 or 2; and

z is 1, 2, 3, or 4;

R 1 and R 2 are independently selected univalent groups, X is a hydrolysable or hydroxy group, m and k are independently 0, 1, or 2 and Q is a divalent organic linking group, comprising a substituted C 2 to C 12 hydrocarbyl chain and one or more amine groups.

15 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein z=1.

16 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein y=1.

17 . A coated component for a medicinal delivery device as claimed in claim 16 , wherein the entity of Formula IIb is bonded to the base layer by non-covalent intermolecular forces.

18 . A coated component for a medicinal delivery device as claimed in claim 16 , wherein Q 1 includes one or more organic linking groups selected from

—C(O)N(R)—(CH 2 ) k —, —S(O) 2 N(R)—(CH 2 ) k —, —(CH 2 ) k —, —CH 2 O—(CH 2 ) k —, —C(O)S—(CH 2 ) k —, —CH 2 OC(O)N(R)—(CH 2 ) k —,

wherein R is hydrogen or C1-4 alkyl, and k is 2 to about 25, preferably k is 2 to about 15, more preferably k is 2 to about 10.

19 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein y=2.

20 . A coated component for a medicinal delivery device as claimed in claim 14 19 wherein the base layer comprises a polyethersulphone.

21 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein the polyfluoropolyether moiety R f comprises perfluorinated repeating units selected from the group consisting of —(C n F 2n )O)—,—(CF(Z)O)—, —(CF(Z)C n F 2n O)—, —(C n F 2n CF(Z)O)—, —(CF 2 CF(Z)O)—, and combinations thereof; wherein n is an integer from 1 to 6 and Z is a perfluoroalkyl group, an oxygen-containing perfluoroalkyl group, a perfluoroalkoxy group, or an oxygen-substituted perfluoroalkoxy group, each of which can be linear, branched, or cyclic, and have 1 to 5 carbon atoms and up to 4 oxygen atoms when oxygen-containing or oxygen-substituted and wherein for repeating units including Z the number of carbon atoms in sequence is at most 6.

22 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein the polyfluoropolyether moiety R f is C 3 F 7 O(CF(CF 3 )CF 2 O) p CF(CF 3 )—, wherein the average value of p is from 3 to 50.

23 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein Q 1 includes as organic linking groups:

—CH 2 OCH 2 CH(OC(O)NH(CH 2 ) 3 —)CH 2 OC(O)NH(CH 2 ) 3 —

or

—C(O)NHCH 2 CH[OC(O)NH—]CH 2 OC(O)NH—.

24 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein the component is a component of a metered dose inhaler.

25 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein the component is selected from the group consisting of an actuator, an aerosol container, a ferrule, a valve body, a valve stem and a compression spring.

26 . A coated component for a medicinal delivery device as claimed in claim 25 , wherein the component is an aerosol container.

27 . A coated component for a medicinal delivery device as claimed in claim 14 , wherein the base layer is applied to a surface of the component.

28 . A coated component for a medicinal delivery device as claimed in claim 27 , wherein the surface of the component is a metal surface.

29 . A coated component for a medicinal delivery device as claimed in claim 27 , wherein the surface of the component is a polymer surface.

30 . A medicinal delivery device assembled from at least one coated component as claimed in claim 14 .

31 . A medicinal delivery device as claimed in claim 30 , wherein the medicinal delivery device comprises a pressurized metered dose inhaler (pMDI).

32 . A medicinal delivery device as claimed in claim 30 , further comprising an aerosol formulation comprising a liquified propellant.

33 . A medicinal delivery device as claimed in claim 32 , further comprising a medicament suspended or dissolved in the liquified propellant.