Alberto C. C. Da Silva

Follow

Person

Rio de Janeiro, BR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the thermo-chemical dewaxing of large dimension lines
- Patent number 5,824,160
- Issue date Oct 20, 1998
- Petroleo Brasileiro S.A.-Petrobras
- Carlos Nagib Khalil
- B08 - CLEANING
Information Patent Grant
Process for preparing phosphated or nitrophosphated fertilizers thr...
- Patent number 5,211,735
- Issue date May 18, 1993
- Petroleo Brasileiro S.A.
- Fabio G. M. Costa
- C05 - FERTILISERS MANUFACTURE THEREOF