Inventor
Pierre Sigwalt
Inventor
Saint Michel sur Orge, FR
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds38%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium29%
C07CAcyclic or carbocyclic compounds14%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
4,311,818'Bi- and Trifunctional organolithium initiators and applications thereof'19824,264,749'Organo-lithium compounds and a process for their preparation'19814,236,035'1,1,1 Tris-(4-isopropenyl-phenyl)ethane'19804,181,684'Diphenyl compounds that are intermediates in preparation of polymerization initiators'19804,161,494'Bi-and trifunctional organolithium initiators'19794,105,713'Polymers and copolymers of indene'19784,094,830'Grafting of vinylaromatic compounds by cationic polymerization on non-halogenated double-bonded chains'19784,067,917'Organo-lithium compounds and a process for their preparation'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1982Patents assigned to CHARBONNAGES STE CHIMIQUE (7)· patent assignee history
1978–1980Patents assigned to ANVAR (3)· patent assignee history
1978–1982Based in Saint Michel sur Orge, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHARBONNAGES STE CHIMIQUE | 7 | 1978–1982 |
| ANVAR | 3 | 1978–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saint Michel sur Orge, FR | 8 | 1978–1982 |