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C01B 39/34

Type zsm-4

Official title: Type ZSM-4

C01B39/34 (Type zsm-4) appears on 16 US grants and 2 published applications in this corpus.

Search patents in C01B

Granted patents: 16
Published applications: 2
Assignees: 13
Inventors: 36
Latest grant: 21 Sep 2021

Filings by year

C01B 39/34: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	1	0
1979	0	0
1980	1	0
1981	0	0
1982	1	0
1983	1	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	1	0
1990	2	0
1991	1	0
1992	1	0
1993	0	0
1994	1	0
1995	1	0
1996	0	0
1997	0	0
1998	0	0
1999	1	0
2000	1	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	1
2016	0	0
2017	1	0
2018	0	0
2019	0	0
2020	0	0
2021	1	1

By publication year. Applications have been published since 2001.

Recent patents

Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size21 Sep 2021US 11,124,421 B2Arkema France
Method for producing MAZ-type zeolite17 Jan 2017US 9,546,096 B2The University of Tokyo
Method of zeolite synthesis with homogeneous shaking out of the medium, device and application14 Nov 2000US 6,146,613 AElf Aquitaine
Activated silica enriched mazzite, production method and application thereof19 Oct 1999US 5,968,341 AElf Aquitaine
Process for the synthesis of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, the aluminosilicate obtained and its use as catalyst for the conversion of hycrocarbons19 Sep 1995US 5,451,391 ASociete Nationale Elf Aquitaine

Most cited

By later US patents