For the Inventor, By the Inventor

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London, United Kingdom

Manchem Limited

USPTO Granted Patents = 17

CIPO Patents = 1

Trademarks = 2

Forward Citations = 85

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11 inventors (with patents filed for the assignee):

John H Turner (6 out of 12 patents)

Frank S Holland (5 out of 5 patents)

Philip E Tate (2 out of 5 patents)

4. Peter Womersley (2 out of 2 patents)

5. Gary Baker (1 out of 3 patents)

6. Raymond C Cass (1 out of 1 patent)

7. William K Lakin (1 out of 1 patent)

8. John W Prince (1 out of 5 patents)

9. Samuel E Harson (1 out of 1 patent)

10. John Curran (1 out of 1 patent)

11. John William Prince (0 patent)

17 patents: Sort by Forward Citations

1. 5409527 - Water-based water repellents (1995-04-25),

2. 4911988 - Preservative elements containing organic boron compounds and their use (1990-03-27),

3. 4684421 - Adhesion of rubber to metals (1987-08-04),

4. 4638074 - Extraction of tin from its ores (1987-01-20),

5. 4597800 - Oxo-aluminum complexes (1986-07-01),

6. 4588766 - Adhesion of rubber to metals (1986-05-13),

7. 4510095 - Production of organotin halides (1985-04-09),

8. 4455208 - Apparatus for electrolysis using two electrolytically conducting phases (1984-06-19),

9. 4437949 - Electrolysis of tin complexes (1984-03-20),

10. 4416743 - Electrolysis using two electrolytically conducting phases (1983-11-22),

11. 4303726 - Methods and compositions for preservation of timber (1981-12-01),

12. 4264370 - Method for preparing aluminum-based air drying compositions (1981-04-28),

13. 4234496 - Complex organo-metallic compounds of boron or phosphorus (1980-11-18),

14. 4159209 - Metal complexes (1979-06-26),

15. 4132724 - Preparation of organoaluminum compositions (1979-01-02),

Manchem Limited is a leading chemical manufacturing company specializing in providing high-quality industrial chemicals to a wide range of industries. With over 20 years of experience, we have built a strong reputation for delivering innovative solutions and reliable products to our customers. Our commitment to quality and customer satisfaction sets us apart in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

17 Patents

#183 in London

#1,045 in United Kingdom

#34,819 in the World

London, United Kingdom

Manchem Limited

Forward Citations = 85

11 inventors:

John H Turner (6 out of 12 patents)

Frank S Holland (5 out of 5 patents)

Philip E Tate (2 out of 5 patents)

4. Peter Womersley (2 out of 2 patents)

5. Gary Baker (1 out of 3 patents)

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