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vol. 19, No. 6, Page 7
us 4,797,435
US 4,797,436
US 4,797,438
us 4,797,441
us 4,797,451
us 4,797,455
UV ABSORBERS Bayer AG Priority Date: 23 January 1986
Use of 3-benzalphthalides as UV stabilizers for thermoplastic polyesters, polycarbonates, and polyester carbonates.
LIGHT STABILIZERS Hoechst AG Priority Date: 26 November 1985
Oligomeric diazaoxaspirodecanes.
STABILIZED GAMMA-IRRADIATED POLYPROPYLENE The B.F. Goodrich Co. Priority Date: 11 May 1987
Incorporating a hindered amine stabilizer to improve strength and reduce discolouration in sterilizable products.
FIRE RETARDANTS Akzo N.V. Priority Date: 11 June 1987
Dichloro (acetic or propionic) acid aryl esters.
SOLID POLYMERIC STABILIZER COMPOUNDS Eniricerche SpA Priority Date: 9 October 1985
Process for their manufacture.
CURING AGENT FOR EPOXY RESINS W.R. Grace & Co. Priority Date: 6 August 1987
Isocyanates blocked with 1-amino-alkylimidazoles.
Cont./......
ADDITIVES FOR POLYMERS
0 1989 Elswier Science PublIshem Ud., England./SS/SO.OO + 2.20 No part of this publication may bee reproduced, stored in a retrieval system, or transmitted by any form or by any means, electronic, mechanical, photocopying, reccording or otherwise, without the prior permission of the publishers (Readers in the USA. - please see special regulations listed on back cover.),