Patents
Patents for C07C 66 - Quinone carboxylic acids (322)
02/1983
02/01/1983US4371604 Photographic material suited for use in diffusion transfer photography
11/1982
11/16/1982CA1135713A1 Quinone derivatives
08/1982
08/24/1982US4346103 Multiple sclerosis
03/1982
03/17/1982EP0047323A1 1,4-naphthoquinone derivatives and use thereof
10/1981
10/21/1981EP0038160A1 Quinone compounds, their production and use
10/21/1981EP0038092A1 Photographic material suited for use in diffusion transfer photography
09/1981
09/17/1981WO1981002574A1 1,4-naphthoquinone derivatives,process for their preparation,and use thereof
06/1981
06/02/1981US4271083 6-Hydroxy-1,4-benzoquinone compounds
03/1981
03/25/1981EP0025692A1 Quinone derivatives, their production and use
02/1981
02/10/1981US4250182 Pharmaceutical composition containing acridone compounds and method of using same
01/1981
01/13/1981US4244968 Hydroxy- and amino-anthraquinones
01/07/1981EP0021841A2 2,3-Dialkoxy-1,4-quinone derivatives; method of producing 1,4-quinone derivatives
07/1980
07/29/1980US4215062 Multistage, multizonal; chemical intermediate
06/1980
06/10/1980US4207104 Diffusion transfer to form metallized dye image of excellent stability
05/1980
05/13/1980US4202788 Stabilization of aqueous p-benzoquinones
02/1979
02/13/1979US4139545 Immuno-potentiators
12/1977
12/06/1977US4061768 Certain cyclic carbonyl compounds used in the prophylaxis of allergic conditions
10/1976
10/19/1976US3987088 Cyclic carbonyl compounds
05/1976
05/25/1976US3959482 Fluorenone carboxylic acids for the prevention of the symptoms of asthma and allergin rhinitis
04/1976
04/13/1976US3950342 Acridone-dicarboxylic acids
02/1976
02/17/1976US3939276 Cyclic carbonyl compounds
01/1976
01/20/1976US3933917 Production of dimethylbenzophenone
1 2 3 4