Inventor
ZAPPELLI PIERGIORGIO
10 patents
⚠️ This page may combine multiple inventors who share the name “ZAPPELLI PIERGIORGIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SNAM PROGETTI
5 patentsUS4088639AMay 9, 1978
Macromolecular adenine nucleotide derivatives
SNAM PROGETTI18 citations81
US4008363AFeb 15, 1977
Process for the preparation of adenine derivatives made functional and products obtained therefrom
SNAM PROGETTI15 citations72
US4336188AJun 22, 1982
Method for the preparation of macromolecularized adenine derivatives
SNAM PROGETTI7 citations71
US4199498AApr 22, 1980
Macromolecularized adenine derivatives
SNAM PROGETTI5 citations60
US4091203AMay 23, 1978
Adenine derivatives
SNAM PROGETTI0 citations50
ENIRICERCHE SPA
4 patentsUS5993768ANov 30, 1999
Mesoporous crystalline composition with a high surface area of a tetravalent metal which can be used as catalyst
ENIRICERCHE SPA33 citations88
US5892080AApr 6, 1999
Mesoporous crystalline acid composition of a diphosphonate-phosphite of a tetravalent metal which can be used as a catalyst
ENIRICERCHE SPA41 citations88
US5290746AMar 1, 1994
Tetravalent metal diphosphonate-phosphite composition in microporous solid crystalline form, with a narrow micropore distribution
ENIRICERCHE SPA7 citations71
US5166380ANov 24, 1992
Mesoporous crystalline solid compound of a diphosphonate/phosphite of a tetravalent metal, with a narrow distribution of mesopores
ENIRICERCHE SPA5 citations59