BE409865A
(en )
1935-07-31
New nitrogen-containing condensation products from aromatic amines and formaldehyde
FR750329A
(en )
1933-08-08
New Anthraquinone Series Condensate Products
FR785390A
(en )
1935-08-08
Advanced Hydrocarbon Product
FR794078A
(en )
1936-02-07
New condensation products based on sulphite residual lye
CH208343A
(en )
1940-01-31
Piece of clothing for winter sports and other applications.
FR790230A
(en )
1935-11-16
Condensation products obtained from urea, formaldehyde and hexamethylenetetramine
FR812073A
(en )
1937-04-29
New condensate products
FR792562A
(en )
1936-01-06
Condensation products based on formalin and urea
FR822409A
(en )
1937-12-30
Improvements in the molding of pistons, these pistons and new pistons obtained
FR735824A
(en )
1932-11-16
Production of resinous condensation products from aromatic amines and formaldehyde
FR45499E
(en )
1935-09-12
Process for the preparation of condensation products from phloroglucin and aromatic amines
AT155629B
(en )
1939-02-25
Process for the production of condensation products.
FR684317A
(en )
1930-06-24
Preparation of infusible condensation product solutions from amines and aldehydes
FR46437E
(en )
1936-06-03
Process for obtaining condensation products based on phenols and formaldehyde
FR45008E
(en )
1935-05-14
Process for the preparation of resinous condensation product based on organic ether-salt
FR858459A
(en )
1940-11-26
New condensate products
FR790722A
(en )
1935-11-26
Cleaning product
FR789500A
(en )
1935-10-29
Preparation of cyanic and sulphocyanic ethers and their condensation products
FR827185A
(en )
1938-04-20
New condensate products
FR774998A
(en )
1934-12-17
Improvements in the manufacture of alcohol and phenol condensation products
FR818919A
(en )
1937-10-06
New ancillary products
FR775401A
(en )
1934-12-28
Condensation products containing nitrogen
FR758689A
(en )
1934-01-22
Production of products derived from resins based on phenols and aldehydes
ES133874A2
(en )
1934-05-16
IMPROVEMENTS IN THE PATENT OF INVENTION NUMBER 133858
FR787282A
(en )
1935-09-19
Procurement process