Inventor

Hugh Cairns

Inventor

Loughborough, GB

Overview

19→

Patents

1976–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds53%

C07CAcyclic or carbocyclic compounds22%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%

A47KSanitary equipment3%

A61KPreparations for medical, dental or toiletry purposes3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

4,887,324'Curtain retaining apparatus'1989 4,474,787'7,6 Dioxo-4H,6H-pyrano[3,2-g]quinoline dicarboxylic acids and anti-allergic use thereof'1984 4,419,352'Pyranoquinolinones and analogs thereof'1983 4,409,237'Pharmaceutical compositions containing sodium chromoglycate and .beta.2 selective bronchodilators'1983 4,335,048'5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid'1982 4,328,230'N-Substituted-quinolin-4-one-2-carboxic acid derivatives'1982 4,293,541'Compounds'1981 4,239,748'Inorganic salts of 2,8-dicarboxy-4,6-dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b\')dipyran useful for the treatment of asthma and hay fever'1980 4,228,173'Thiopyrano-benzopyrans, compositions and method of use thereof'1980 4,211,788'Compounds'1980 4,156,726'4-Oxo-2-carboxyl quinoline derivatives used as antiallergic compounds'1979 4,085,115'Carboxamido tetrazoles'1978 4,064,256'Benzopyranyltetrazoles as antiasthma agents'1977 4,055,654'6,8-Di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid and derivative for the prevention of asthmatic symptoms'1977 4,029,802'The treatment of asthma, hay fever or urticaria'1977 3,952,104'Benzopyran-2-carboxylic acids in the prevention of asthmatic symptoms'1976 3,948,954'Bis-chromone-tetrazole/hydroxamic/carboxylic acids'1976 3,933,845'Benzopyranyltetrazoles'1976 3,933,844'Benzopyranyltetrazoles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to FISONS LTD (18)· patent assignee history

1976–1984Based in Loughborough, GB· patent location history

1989Patents assigned to CAIRNS H ROSS (1)· patent assignee history

1989Based in Mississauga, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FISONS LTD	18	1976–1984
CAIRNS H ROSSself	1	1989

Locations

Location	Patents	Span
Loughborough, GB	18	1976–1984
Mississauga, CA	1	1989