| (19) |
 |
|
(11) |
EP 0 268 368 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
24.04.1991 Bulletin 1991/17 |
| (43) |
Date of publication A2: |
|
25.05.1988 Bulletin 1988/21 |
| (22) |
Date of filing: 12.10.1987 |
|
| (51) |
International Patent Classification (IPC)4: D06M 15/431 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GR IT LI LU NL SE |
| (30) |
Priority: |
13.10.1986 GB 8624535
19.01.1987 GB 8701073
19.01.1987 GB 8701074
|
| (71) |
Applicant: ALBRIGHT & WILSON UK LIMITED |
|
Oldbury,
Warley,
West Midlands B68 0NN (GB) |
|
| (72) |
Inventors: |
|
- Cole, Robert
Sedgley
Dudley DY3 3TP (GB)
- Hand, Geoffrey
Halesowen
West Midlands B69 4LN (GB)
|
| (74) |
Representative: Savidge, Roger Gordon Madgwick et al |
|
ALBRIGHT & WILSON UK LIMITED
Patents Department
P O Box 3
210-222 Hagley Road
Oldbury, Warley,
West Midlands B68 0NN
Oldbury, Warley,
West Midlands B68 0NN (GB) |
|
| |
|
(57) Flame retardant cellulosic fabrics having reduced shrinkage are obtained by treatment
of fabric with a tetrakis hydroxymethyl phosphonium compound or condensate and then
curing with ammonia, followed by treatment involving reaction of the fabric with a
non self-condensing methylolamide under aqueous acid conditions. The order of treatment
can also be reversed.