|
ES187369A1
|
|
A PROCEDURE OF PREPARING A PYRIDINIUM SALT
|
|
ES187370A1
|
|
A PROCEDURE FOR PREPARING PYRIDINIUM SALTS
|
|
GB674169A
|
|
Improvements in or relating to pyridinium salts and the preparation thereof
|
|
GB660368A
|
|
Improvements in or relating to the production of vitamin a
|
|
US2501026A
|
|
Epoxides and process of preparing same
|
|
US2514325A
|
|
4, 6-alpha-pyrone derivatives
|
|
US2515901A
|
|
Condensation products of betamethyl glutaconic anhydride
|
|
US2464137A
|
|
Esters of 2, 3-epoxypropylmalonic acid and their preparation
|
|
US2464158A
|
|
Esters of 1-methyl-3-acyloxypropylalpha halomalonic acids and their preparation
|
|
US2470943A
|
|
Apparatus for clarifying fluids
|
|
ES171263A1
|
|
A PROCEDURE TO PRODUCE A LAYOUT OF A NON-SYMMETRIC CYCLIC ACETONALCAMINE
|
|
GB610048A
|
|
Improvements in or relating to the preparation of labile vinyldiacetonalkamine and to the production of eucatropine hydrochloride therefrom
|
|
US2464496A
|
|
Surgical dispenser
|
|
ES168633A1
|
|
A PROCEDURE FOR PREPARING A BACTERIOSTATIC AND BACTERICIDE SUBSTANCE
|
|
GB621672A
|
|
Improvements in or relating to basic aluminium chloride
|
|
US2480329A
|
|
Preparation of vinyldiacetonalkamine
|
|
US2426733A
|
|
Combination drip stopper
|
|
US2422226A
|
|
Dispensing apparatus
|
|
US2392153A
|
|
Production of basic aluminum chloride
|
|
US2415312A
|
|
Propanediol solution of digitalis
|
