FR552266A
(en )
1923-04-27
New condensate products of the anthraquinone series and process for their manufacture
FR726206A
(en )
1932-05-25
Process for the preparation of protocatechuic aldehyde and its substitutes
FR553756A
(en )
1923-05-30
Process for obtaining condensation products of phenols and aldehydes and alcohol-acetic ethers
FR553755A
(en )
1923-05-30
Process for obtaining condensation products of phenols and aldehydes
FR29761E
(en )
1925-11-07
New condensate products of the anthraquinone series and process for their manufacture
FR593338A
(en )
1925-08-20
Process for the preparation of new acetylene condensation products
FR612758A
(en )
1926-10-30
Process for obtaining condensation products of crotonic aldehyde
FR651646A
(en )
1929-02-25
Process for obtaining condensation products of aldehydes and phenols
FR39340E
(en )
1931-10-12
Process for obtaining condensation products of aldehydes and phenols
FR39337E
(en )
1931-10-12
Process for obtaining condensation products of aldehydes and phenols
FR39334E
(en )
1931-10-12
Process for obtaining condensation products of aldehydes and phenols
FR39328E
(en )
1931-10-12
Process for obtaining condensation products of aldehydes and phenols
FR37924E
(en )
1931-02-07
Process for obtaining condensation products of aldehydes and phenols
FR522150A
(en )
1921-07-25
Process for obtaining colorless condensation products of phenols and aldehydes
FR573150A
(en )
1924-06-18
Process for the preparation of hard, infusible and insoluble condensation products, of clear and stable coloring, starting from phenols and aldehydes
FR531467A
(en )
1922-01-14
Process for the establishment of soluble and fusible condensation products from phenols and formaldehyde
FR581705A
(en )
1924-12-04
Improved process for the production of articles from the condensation products of phenol and formaldehyde
FR605736A
(en )
1926-06-01
Process for obtaining phenolic condensation products
FR606676A
(en )
1926-06-18
Process for obtaining phenolic condensation products
FR21222E
(en )
1920-07-09
Process for the pectinization of condensation products of phenols and aldehydes
FR659695A
(en )
1929-07-02
Process for the production of condensation products of cresols and formaldehyde
FR573149A
(en )
1924-06-18
Process for the hardening of condensation products starting from phenols and aldehydes
FR35758E
(en )
1930-03-28
Process for obtaining condensation products of the benzo-diazine series
FR27803E
(en )
1924-08-19
Process for the establishment of soluble and fusible condensation products from phenols and formaldehyde
FR617032A
(en )
1927-02-12
Process for obtaining solid formaldehyde products